Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Passive
0
%
0
0
0
Back
Restart
Mammoths still roamed the Earth while / pyramids / construct
Mammoths still roamed the Earth while the pyramids were being constructed.
Oops!
Okay!
The light bulb / (not) invent / by Thomas Edison
The light bulb was not invented by Thomas Edison.
Oops!
Okay!
Chicken nuggets / make / on average from 43% chicken
Chicken nuggets are made on average from 43% chicken.
Oops!
Okay!
Post / deliver / pigeons during WWI
Post was delivered by pigeons during WWI.
Oops!
Okay!
In-flight smoking / ban / in 1990
In-flight smoking was banned in 1990.
Oops!
Okay!
Lung cancer / cause / smoking cigarettes
Lung cancer is caused by smoking cigarettes.
Oops!
Okay!
The first dinosaur fossil / find / in 1824
The first dinosaur fossil was found in 1824.
Oops!
Okay!
The Hubble Telescope / name / after astronomer Edwin Hubble
The Hubble Telescope was named after astronomer Edwin Hubble.
Oops!
Okay!
Polish / speak / 55 million people worldwide
Polish is spoken by 55 million people worldwide.
Oops!
Okay!
All objects / make of / 99.9% empty space
All objects are made of 99.9% empty space.
Oops!
Okay!
One third of the food produced in the world / waste
One third of the food produced in the world is wasted.
Oops!
Okay!
Only 10% of people struck by lightning / kill
Only 10% of people struck by lightning are killed.
Oops!
Okay!
Time travel / (not) invent / yet
Time travel has not been invented yet.
Oops!
Okay!
The first IKEA store / open / 1958 in Sweden
The first IKEA store was opened in 1958 in Sweden.
Oops!
Okay!
You are more likely / kill / by a toaster than a shark
You are more likely to be killed by a toaster than a shark.
Oops!
Okay!
Mars / colonise / second half of the 21st century
Mars will be colonised in the second half of the 21st century.
Oops!
Okay!
Flush toilets / (not) use / until mid-18th century
Flush toilets were not used until the mid-18th century.
Oops!
Okay!
The Empire State Building / build / in just 410 days
The Empire State Building was built in just 410 days.
Oops!
Okay!
300 hours of video / upload / to YouTube every minute
300 hours of video are uploaded to YouTube every minute.
Oops!
Okay!
Human beings / make of / 60% water
Human beings are made of 60% water.
Oops!
Okay!
The Guinness Book of Records / first publish / 1955
The Guinness Book of Records was first published in 1955.
Oops!
Okay!
Scrabble / first play / 1948
Scrabble was first played in 1948.
Oops!
Okay!
The new law / criticise / opposition recently
The new law is being criticised by the opposition recently.
Oops!
Okay!
The Prime Minister / interview / at the moment
The Prime Minister is being interviewed at the moment.
Oops!
Okay!
A patient / operate on / as we speak
A patient is being operated on as we speak.
Oops!
Okay!
French as an official language / speak / in England / 1066-1362
French as an official language was spoken in England from 1066 to 1362.
Oops!
Okay!
50% of the world's wealth / own / 8 richest people
50% of the world's wealth is owned by the 8 richest people.
Oops!
Okay!
0.7% of the total US population / imprison
0.7% of the total US population is imprisoned.
Oops!
Okay!
Dogs / domesticate / 30,000 years ago
Dogs were domesticated 30,000 years ago.
Oops!
Okay!
Half a kilo of insects / consume / per person per year
Half a kilo of insects are consumed per person per year.
Oops!
Okay!
The universe / most likely / inhabit / millions of civilisations
The universe is most likely inhabited by millions of civilisations.
Oops!
Okay!
The number of electric cars / expect to rise / in the near future
The number of electric cars is expected to rise in the near future.
Oops!
Okay!
America / (not) discover / Columbus
America was not discovered by Columbus.
Oops!
Okay!
100% of energy / produce / from renewable sources in Iceland
100% of energy is produced from renewable sources in Iceland.
Oops!
Okay!
In 1386, a pig / execute / in France for murder
In 1386, a pig was executed in France for murder.
Oops!
Okay!
The inventor of the Pringles can / bury / in one of them in 2008
The inventor of the Pringles can was buried in one of them in 2008.
Oops!
Okay!
Humans / assist / by true AI by the late 2040s
Humans will be assisted by true AI by the late 2040s.
Oops!
Okay!
The metric system / still (not) adopt / USA, Burma and Liberia
The metric system still hasn't been adopted in the USA, Burma and Liberia.
Oops!
Okay!
60 million photos / upload / Instagram every day
60 million photos are upload to Instagram every day.
Oops!
Okay!
Mount Everest / climb / about 500 people every year
Mount Everest is climbed by about 500 people every year.
Oops!
Okay!
Potatoes / bring / to Europe / end of 16th century
Potatoes were brought to Europe at end of 16th century.
Oops!
Okay!
Harry Potter / write / J.K. Rowling
Harry Potter was written by J.K. Rowling.
Oops!
Okay!
Petrol cars / (not) sell / by 2050
Petrol cars will not be sold by 2050.
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies