Task 1. Put the verbs in the brackets in the correct tense 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. 6. If my father __________ (not, sleep) well, he __________ (drink) coffee before going to bed 7. If you__________ (press) this button, the machine __________ (stop) 8. If you__________ (multiply) 6 to 8, you__________ (get) 9. If anyone __________ (call), say that I__________ (be, not) at home. 10. If you__________ (go) to the Post Office, you__________ (mail) this letter for me.

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