ZERO CONDITIONAL

If you heat ice, ______

• it melts

• it melt

• melts

Water evaporates if you _____ it.

• boils

• boiling

• boil

I feel sick if I _____ too much cake.

• eating

• eats

• eat

My teacher gets angry if I _____ my homework.

• do

• don't do

• doesn't do

When I have a toothache, ______.

• I stay in bed.

• I see a dentist.

• I take vitamin C

When I have a temperature, ______.

• I drink tea

• I stay in bed

• I visit my grandparents

All metals ____ if you ____ them.

• expand / heat

• expands / heats

• expand / heats

If you ____ butter in the sun, it ____.

• leave / melt

• leaves /melts

• leave / melts

If you have a temperature, an aspirin usually ____.

• help

• helping

• helps

When I ____ a cold, I usually take vitamin C.

• will have

• have

• had