1) If it ... (rain), the ground ...(to be) wet. a) rains b) rain c) is d) are 2) The river ... (freeze) if it ... (to be) cold. a) freeze b) freezes c) is d) does 3) The soil ... ( not dry out) if you ... (water) plants twice a week.  a) doesn`t dry out b) don`t dry out c) waters d) water 4) If you ... (heat) water, it ... (boil). a) heat b) heats c) boil d) boils 5) If you ... (touch) a hot kettle, you ... (burn) your hand. a) touch b) touches c) burn d) burns 6) If you ... (mix) red and yellow, you ... (get) orange a) mixes b) mix c) gets d) get 7) If you ... ( not water) a plant, it ... (die). a) don`t water b) doesn`t water c) dies d) die 8) Ice ... (melt) if you ... (hold) it in your hand. a) melt b) melts c) hold d) holds 9) The ground ... (get) wet if it ...(rain). a) gets b) get c) rain d) rains 10) Ice-cream ... (melt) if you ... (heat) it. a) melt b) melts c) heat d) heats 11) If you ... (mix) blue and yellow, you ... (get) green.  a) mix b) mixes c) gets d) get

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