Prepare 8. Unit 16
To start the experiment, you need to ________ air into the balloon.
Please ________ the end of the balloon so the air doesn't escape.
If you ________ a balloon on your jumper, it gets a negative charge.
Before you peel the egg, you must ________ it for four minutes.
________ the bottle in a towel and shake it well.
Be careful when you ________ the hot water into the glass bottle.
To mix the ingredients properly, you need to ________ the container for a minute.
First, ________ the glasses with water to the very top.
We need to ________ out an experiment to see if the theory is correct.
I can't ________ out the answer to this difficult maths question.
If you ________ up 15 and 10, you get 25.
Please ________ up the paper into small strips for the project.
When the sun goes down, it ________ dark.
If you ________ red and green, you get yellow.
My teacher ________ angry if I don't do my homework.
If you freeze water, it ________ to ice.
If you ________ oil on water, it floats.
If it rains later, we ________ to the park.
You ________ wet if you don't take an umbrella.
If I ________ the candles, everyone will sing "Happy Birthday."
The gift ________ lovely if we wrap it in this gold paper.
If you ________ off your shoes, the mosquitoes will bite your feet!
If we ________ now, we will be late for the movie.
If he ________ the truth, he will be very upset.
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