Unit 1: Leisure Activities

GV
7. Put the verbs in brackets into the correct form of conditional sentence type 1. 1. If people (pollute) the environment, a lot of animals (die) . 2. If water (consist) germs, people (get) ill. 3. If the poles (melt) , huge landmasses (be) under water. 4. Many precious animals (disappear) , if people (cut down) trees. 5. If nuclear waste (throw) away, it (be) very dangerous. 6. If the emission of CO2(continue) at high rate, the climate (destroy) . 7. We (save) the trees If we (save) paper. 8. If schools (teach) about environmental problems, All students (know) how to protect the environment. 9. If more people (travel) by bike or bus, we (not have) traffic jam. 10. If the government (fine) heavily to the factories, they (not dump) sewage into the ocean.

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