1) If it ... (rain) later, the ground ...(to be) wet. a) rains b) rain c) will be d) is 2) The river ... (freeze) if it ... (to be) cold. a) freeze b) freezes c) is d) does 3) If you ... (heat) water, it ... (boil). a) heat b) will heat c) boil d) boils 4) If you ... (touch) a hot kettle, you ... (burn) your hand. a) touch b) touches c) burn d) burns 5) If you ... (mix) red and yellow, you ... (get) orange a) mixes b) mix c) will get d) get 6) If he ... ( not water) this plant soon, it ... (die). a) don`t water b) doesn`t water c) will die d) dies 7) Ice ... (melt) if you ... (hold) it in your hand. a) melt b) melts c) hold d) holds 8) The ground ... (get) wet if it ...(rain). a) gets b) get c) rain d) rains 9) This ice-cream ... (melt) if you ... (not/eat) it. a) melts b) will melt c) don't eat d) won't eat 10) If Bob ... (not wear) a cap, he ... (get) sunstroke later. a) don`t wear b) doesn`t wear c) will get d) gets

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