U15. Each sense organ processes information from our senses. (For example, However, In addition), your skin tells you how something feels.
For example
U12. The CEO stated that he (would increase, increased, increases) employee benefits, but most believe it is not likely to happen.
would increase
U11. About 60 percent of the officers are male, (while, once, since) 40 percent are female.
while
U7. Many students work in order (to save, save, saving) money for college.
to save
U8. Napoleon (died, was died, was die) on May 5, 1821.
died
U7. Correct the error: "The Mayans (learned) about astronomy by (watch) the movements of the Sun, moon, and stars. They (developed) calendar systems (to predict) eclipses."
watch -> watching
U6. Mosses do not need a lot of light. They (must, should, can) grow in shady areas.
can
U8. The giant panda (is found, are found, found) in central China.
is found
U10. A loonie is a one-dollar coin (that used, that using, used) in Canada.
used
U14. If Jack Ma (does not quit, did not quit, had not quit) his job, he would not have founded Alibaba.
had not quit
U5. Are chemicals in the water responsible (to, with, for) the increase in leukemia rates?
for
U11. When (worried, they worried, are worried), people may have trouble sleeping.
worried
U9. How much the monarchy influenced the lives of ordinary citizens is an (interest, interesting, interested) question.
interesting
U11 Vocab. Although email is still used for longer messages, text messaging is becoming a more popular (equipment, transmission, mode) of sending short messages.
moda
U6. Correct the error: "Some plants (must) (to have) more water than others. Cacti (can live) in deserts where there is little rain, while the plants in rainforests (need) a lot more water."
to have -> have
U7 Vocab. Early Homo Sapiens began (to use, to have, to do) tools to skin animals
to use
U10. Correct the error: " Reinsurance is (insurance,) (that) an insurance company purchases to help it stay in business. This is important after (disasters) (that) could otherwise cause bankruptcy."
insurance, -> insurance (no comma)
U14. Correct the error: "Carl Sagan said that if scientists (increased) public understanding of and admiration for (science) more of the public (would) (support) scientific research."
science -> science, (with comma)
U7. Most people are opposed (pay, to pay, to paying) more taxes.
to paying
U6. People who only read one news source (may, must, should) only get one view of current events.
may
U9. The city of Agra, India has a (fascinating, fascinated, fascinate) history.
fascinating
U8. English and French (speak, are spoke, are spoken) in Canada.
are spoken
U8 Vocab. Videos of Martin Luther King, Jr.’s speeches (can be used, can be seen, were asked) on the History channel.
can be seen
U10. Many students study business, (which, that, who) may get them good jobs.
which
U14 Vocab. If your GPS does not work, you may have to use a map to plan your (route, device, violation).
route
U11. Historians call the early period of human history the Stone Age (although, because, until) people used stone to make tools and weapons at that time.
because
U5. A country with few raw materials may depend (on, for, from) imports from other countries.
on
U7. Doctors recommend (eat, to eat, eating) a lot of dark green vegetables.
eating
U5. Correct the error: "The Black Death likely started (from) Central Asia and traveled (along) the Silk Road (to) Crimea. From there, it probably spread (throughout) Europe."
from -> in
U13 Vocab. The hurricane caused extensive damage to the island’s (infrastructure, intervention, priority).
infrastructure
U7. It is wise (apply, to apply, applying) to several different colleges.
to apply
U13. (Because, Although, Ø) Quebec was on a cliff, people thought it was impossible to attack.
Because
U5. The downturn in the economy resulted (for, in, with) company layoffs.
in
U12 Vocab. Some scientists (propose, demonstrate, deny) that global warming is a problem. They believe that the earth’s temperature changes naturally.
describe
U13. TVP, or textured vegetable protein, (so, and, Ø) comes from soybeans.
Ø
U12. How we can counter cyber-bullying (is, are, that) the topic of his speech.
is
U9. (Depression, Depressing, Depressed) people may make choices that support their depression.
Depressed
U6. Hackers could have (accessed, access, to access) thousands of people’s financial data.
accessed
U6 Vocab. Erosion (may result, might have, could lead) in the destruction of land.
may result
U15 Vocab. Although at first the disease was limited to a small area, now it has become (widespread, radical, crucial).
widespread
U9. Correct the error: " Paleontologists are scientists who study (living) things that existed long ago. They take (detailing) notes while (conducting) research on (fossilized) remains."
detailing -> detailed
U15. Correct the error: "People likely moved to the (area it) had good farmland. (Likewise,) later migrants probably moved there (since) their farmland was no longer good (for growing crops)."
area it -> area because it / area since it / area as it
U5 Vocab. One health risk (responsible for, used to, associated with) a high-fat diet is heart disease.
associated with
U12. The reporter confirmed that several people (are taken, will be taken, had been taken) to the hospital.
had been taken
U10 Vocab. The United Nations is an (approach, idea, organization) that provides humanitarian aid.
organization
U5. Most people think that global warming has an impact (over, on, in) the environment.
on
U8. Correct the error: "Archaeologists think that every Sumerian city-state (was) (protected) by a large city wall. Relics (have be) (found) that confirm this theory."
have be -> have been
U11. Correct the error: "(Before) the Bronze (age,) people used copper for tools. The discovery of bronze was a great (innovation,) (because) bronze was stronger than copper."
innovation, -> innovation (no comma)
U9. The tribe does not have electricity or (ran, run, running) water.
running
U8. The rate at which an object’s speed increases (called, is called, is call) acceleration.
is called
U12. Correct the error: "(While) a fan uses electricity to (make wind,) (a wind turbine) uses wind to make electricity. The wind turns the blades, (the blades) spin a shaft."
the blades -> and the blades
U9 Vocab. With (gifted, increased, limited) land in urban areas for food production, many people in China’s cities are growing vegetables in rooftop gardens.
limited
U12. Correct the error: "Historians are not sure (why) the city disappeared. Some think (that) (was it) destroyed by an earthquake. Others think (that) the people died of a disease."
was it -> it was
U6. The regulations (are supposed, are suppose to, are supposed to) combat crime.
are supposed to
U10. A möbius strip is a surface (has, that has, what has) only one side and one boundary.
that has
U13. Abraham Lincoln (was, he, Ø) the U.S. President during the civil war.
was
U14. If schools had courses in civics, more people (will, would, would have) vote.
would
U11. Skydivers must plan their jumps (so, while, because) they land in a safe place.
so
U12. The study showed (if, what, that) nutrition plays a major role in overall health.
that
U15. Long ago, explorers traveled by ship to find new lands. (In other words, Actually, Similarly), future explorers may travel by spaceship to find new planets.
Similarly
U10. A vector is a quantity (that, that it, what) has both magnitude and direction.
that
U14. If sea levels (rise, rose, will rise) much higher, more people may move inland.
rise
U14. Many people (will die, have died, would have died) if they had not received aid.
would have died
U13. (Unless, While, Ø) you are a doctor, you should not try to treat a serious injury.
Unless
U15. Crime rates have not fallen; (nevertheless, thus, on the contrary), they have increased.
on the contrary
U15. People cannot create matter, (or, nor, for) can they destroy it.
nor
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