If you heat ice, it ..., melt, melts, melting, I feel happy if you ..... me., visit, visits, visiting, If I... to bed at midnight, I cannot wake up early., goes, go, going, If it ..., plants grow., rain, rains, raining, I have a stomach-ache if I .... too much chocolate., eat, eats, eating, If I don't do my homework, my teacher ... angry., geting, get, gets, I can't ... well if I don't wear glasses., sees, seeing, see, If you study hard, you .... very good grades., don't get, gets, doesn't get, get, I always take my umbrella if it ..., don't rain, rains, doesn't rain, rain.

PU 3 Zero conditional

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