1) ... the machine starts. a) If you heat water to 100°C, b) If you eat a lot of chocolate, c) If you press this button, 2) ... it boils. a) If you eat a lot of chocolate, b) If it rains tomorrow, c) If you heat water to 100°C, 3) ... the garden gets wet. a) If it rains tomorrow, b) If it rains, c) If you mix red and blue, 4) ... it melts. a) If you heat ice, b) You will be late, c) If it rains, 5) ... you get purple. a) If you mix red and blue, b) If it rains, c) They will get a big prize, 6) ... you won't feel well. a) If it rains tomorrow, b) If you press this button, c) If you eat a lot of chocolate, 7) If you don't leave now,  a) you will be late. b) If you eat a lot of chocolate c) If it rains 8) ... I will stay at home. a) If you heat water to 100°C, b) If it rains tomorrow, c) If it rains, 9) If they win, a) If she doesn't pay attention, b) ... they will get a big prize. c) If you heat water to 100°C, 10) ... she won't understand. a) If you eat a lot of chocolate, b) If she doesn't pay attention, c) . they will get a big prize. 11) If I ______ (go) to London, I _________ (see) the Tower of London a) go, will see b) will go, see c) goes, sees 12) If it _________ (rain), I __________ (not, go) to the park. a) will rain, don't go b) rain, don't go c) rains, won't go 13) If I ____________ (have) enough money, I ____________ (buy) some new shoes. a) will have, buy b) have, will buy c) have, buy 14) He ________ (miss) the bus if he _________ (not, leave) soon. a) will miss, doesn't leave b) misses, won't leave c) will miss, don't leave 15) If I ________ (study) today, I _______ (go) to the party tonight. a) study, to go b) will study, go c) study, will go 16) I ________ (be) upset if my friend _________ (be) late. a) will be, is b) will be, am c) be, am 17) If you _______ (drop) that glass, it ________ (break). a) will drop, breaks b) drop, break c) drop, will break 18) Your boss ______ (be) angry if you _______ (not, finish) the job. a) will be, don't finish b) is, won't finish c) is, doesn't finish 19) If you _____ (eat) lots of ice-cream, you ______ (have) a stomach-ache. a) eat, will have b) eat, had c) will eat, have 20) If she _____ (not, go) to university, her parents ____- (not, be) happy. a) won't go,aren't b) doesn't go, won't be c) not goes, aren't 21) He _______ (not, be) angry if you _____ (tell) him the truth. a) will tell, doesn't be b) will tell, isn't c) won't be, tell

Zero - First conditional practice

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