1) If people ____________ too much junk food, they get fat. a) eat b) eats c) eating 2) If you touch fire, you __________ burnt. a) gets b) get c) got 3) If you heat water to 100º, it _____________. a) boils b) boiled c) boil 4) If you ___________ ice, it melts. a) heated b) heats c) heat 5) When you _____________ red and yellow, you get orange. a) mixes b) mix c) mixing 6) If babies _________ hungry, they cry. a) are b) be c) is 7) If it ______________ rain for a long time, plants dry and die. a) doesn't b) don't c) didn't 8) If you ___________ eat, you feel tired and weak. a) doesn't b) don't c) didn't 9) If she ___________ sleep well at night, she feels sleepy during the day. a) don't b) doesn't c) didn't 10) If the weather is too cold, it ________________. a) snow b) snows c) snowy

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