Zero and first conditional sentences

Choose the correct option to complete each sentence.

If it rains, we ___________ our picnic

If you mix blue and yellow, you ___________ green.

If you heat ice, it ___________.

If he doesn't study, he ___________ the exam.

If you don't eat properly, you ___________ sick.

If I see Tom, I ___________ him your message.

If you touch fire, you ___________ burned.

If it snows tomorrow, we ___________ a snowball fight.

If you ______ (study) hard, you will pass the exam.

She ______ (be) late if she doesn't leave now.

If he ______ (not finish) his homework, he won't watch TV.

I ______ (buy) a new phone if I save enough money.