Zero Conditional

The teacher gets annoyed when students ___ their mobile phones in class.

• uses

• use

• used

I go to the doctor when I ___ very well.

• 'm not feel

• don't feel

• haven't feel

If you put the food in the fridge, it ___ fresh longer.

• stay

• stayed

• stays

If you mix yellow and blue, you ___ green.

• get

• getting

• will get

When babies ___ hungry, they cry.

• be

• were

• are

If plants ___ enough water, they die.

• get

• don't get

• don't gets

When you ___ ice, it ___.

• heat / melts

• heat / melt

• heats / melts

She always ___ her umbrella when it ___.

• take / rain

• take / rains

• takes / rains

If people ___ too many sweets, they ___ on weight.

• eat / put

• eat / puts

• ate / put

She always ___ expensive clothes if she ___ shopping.

• buy / go

• buy / goes

• buys / goes