Fill in each blank with the correct form in Conditional Sentences Type 0 of the given word(s).
1.If you (press) this button, the machine (start)
2.If I (not practise) the piano every evening, I (forget) how to play it.
3.If Charles (miss) the 8 o'clock train, he (be) late for work.
4.When people (not eat) , they (get) hungry.
5.When you (fly) budget airline, you (have to) pay for your drinks and snacks.
6.If my son (study) hard, he usually (get) good grades in school.
7.Tea (taste) sweet if you (add) some sugar.
8.When I (cross) the street, I always (look) left and right.
II. Put the correct form of the verb in brackets.
1. If you __________ (expose) phosphorus to air, It __________ (burn)
2. If you __________ (heat) ice, it __________ (turn) to water.
3. If metal __________ (get) hot, it __________ (expand)
4. If you __________ (stand) in the rain, You __________ (get) wet
5. If anyone __________ (ring) the bell, don’t __________ (open) the door.