If you _______(drop) a glass on the floor, it ________ (break).
A. If you drops a glass on the floor, it breaks.
B. If you drop a glass on the floor, it break.
C. If you drop a glass on the floor, it breaks.
C. If you drop a glass on the floor, it breaks.
Water______(evaporate) if you ____(boil) it.
A. Water evaporates if you boil it.
B. Water evaporate if you boil it.
C. Water evaporates if you boils it.
A. Water evaporates if you boil it.
When you _____(add) sugar, the sauce _____(taste) sweet.
A. When you add sugar, the sauce tastes sweet.
B. When you adds sugar, the sauce taste sweet.
C. When you add sugar, the sauce taste sweet.
A. When you add sugar, the sauce tastes sweet.
If babies _______(be) hungry, they _____(cry).
A. If babies are hungry, they cried.
B. If babies are hungry, they cry.
C. If babies is hungry, they cried.
B. If babies are hungry, they cry.
If I _______(wake up) late, I ______(be) late for work.
If I wake up late, I am late for work.
If you _____(smoke), your skin ______(age) more quickly.
If you smoke, your skin ages more quickly.
If you _____(heat) ice, it ____(melt).
If you heat ice, it melts.
Lots of people _____(come) if Jenny and Wendy _____(have) a party.
Lots of people come if Jenny and Wendy have a party.
He _____ (not be) happy when it _____(rain).
A. He does not be happy when it rains.
B. He is not be happy when it rains.
C. He is not happy when it rains.
C. He is not happy when it rains.
Plants _____ (die) if they _____(not get) enough water.
A. Plants die if they are not get enough water.
B. Plants die if they do not get enough water.
C. Plants die if they not get enough water.
B. Plants die if they do not get enough water.
She always _____(take) her umbrella when it _____(rain).
A. She always take her umbrella when it rains.
B. She always takes her umbrella when it rains.
C. She always taking her umbrella when it rains.
B. She always takes her umbrella when it rains.
If you put water in the freezer, it becomes________.
A. ice
B. steam
C. Bubbles
If you put water in the freezer, it becomes (A. ice).
Water ______ if you heat it to 100 °C.
A. boils
B. cools
C. melts
A. boils
If you mix red and blue, you get ______.
A. Brown
B. Orange
C. Purple
C. Purple