"Initially", toothbrushes had handles made of bamboo or bone and bristles made of short stiff pig hair.
to create fresh breath
at first
at last
Their small wings flutter so fast that they can "hover" in the air, staying in the same spot.
fly upside down
fly in the same place
fly quickly
They are "domesticated" animals. Alpacas aren't wild animals like deer.
small
tame
wild
It's possible to pickle "numerous" other foods such as eggs, fish, fruits, and vegetables.
an amount of
multiple, a large number of
some
Camels and llamas are often used by humans to "transport" heavy packs on their backs.
lift
eat
take from one place to another
They also eat a lot to stay warm, "ingesting" up to 30 percent of their weight in food every day.
throwing away
losing
taking in, eating
But a pyramid is simply a "structure" with triangular sides. Throughout history, people have built pyramids in many different places.
boat
machine
building
Today, people everywhere take the "antibiotic" known as penicillin when they have an infection such as strep throat.
medicine that helps germs grow
spoiled food
medicine that kills germs
Bats are "omnivores". They eat small creatures such as insects. They also enjoy fruits such as mangoes.
eat only plants
eat at night
eat plants and animals
Garland is one of the most "acclaimed" singers of all time. People around the world love to listen to her voice.
well known and loved
silly
forgotten
It doesn't stand straight, as a proper tower should. Instead it "tilts" to one side.
leans
falls
straightens
You might "visualize" images of food gone bad. You picture slimy, green fungus growing on bread.
picture in your mind
delete
draw
They "demoted" Pluto, saying it was only a dwarf planet.
named
visited
lowered, reduced
In recent years, engineers have worked to "stabilize" the tower to keep it from leaning any more than it does.
make it fall down
make it tall
secure it, strengthen it
When the mom returns, the dad is "liberated" from his duties. He heads to the ocean to fish for food.
angered
released, freed
committed
Pickling is a way to "preserve" food, so it can be eaten later.
get rid of
season
save
These eight planets all "rotate" around our sun.
move around
shoot lasers at
stand by
When the flowers and trees burst into bloom, they release pollen that causes certain people to have allergic "rhinitis". This causes a lot of nose blowing and difficulty breathing.
itchy eye
Irritated nose
irritated rhino
They're such "diminutive" creatures. A single raindrop can be 50 times their size.
very annoying
very small
very large
Judy Garland is a "psuedonym" that she used instead of her given name.
famous singer
silly name
pretend name
Most bats are "nocturnal". They sleep during the day, hanging upside down.
very sleepy
active at night
active during the day
Some species of hummingbirds can flap their wings a "maximum" of 90 times a second.
least amount
most amount
normal amount
Every year when spring arrives, many people are "elated". They are happy the weather is warmer.
tired
afraid
happy
The U.S. team had been "dominant", winning 4 out of the first 8 World Cup tournaments.
most tired
most powerful
most happy
They don't "reside" in deep, warm water. Instead they live in shallow, icy waters.
sleep
love
live
Imagine "abstaining" from food for 2 whole months. That's how long male emperor penguins go without eating.
eat
go without
forget
During the 2019 tournament, the "undisputed" star of the U.S. team was Megan Rapinoe. She scored 6 goals.
always incorrect
not challenged, clear leader
very bad
But you wouldn't have to stop there, because numbers are "infinite" - they never end.
never ending
confusing
ending quickly
Because it's a "beloved" shape, the pyramid is found all over.
very boring
very hated
very loved
They mixed their own homemade "concoctions" These were made of items such as eggshells, mint leaves, and salt.
vitamins
combinations of items
treats
Then there's the "unfathomably" large number googol. To write this number you start with a 1 and add 100 zeros.
impossible to grasp/understand
easy to understand
very funny
Most of the time, they're able to "evade" the falling rain, flying between drops.
invade
get away from
enjoy
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