ex2: combine each pair of sentences to make a conditional sentence type 1
1 students are more aware of protecting the environment. Teachers teach environmental issues at school
2 ligh pollution happens. Animals change thier behaviour patterns
3 The levels of radioactive pollution decrease. We switch from nuclear power to renewable enrgy sources
4 the water temperature in creases. some apuaticcreatures are unable to reproduce
5 people get more diseases. The water is contaminted
ex4: put the verbs in brackets into the correct from
1 If you (be) _________ the presidentm what _____________ you (do) ________________(to) help the environment?
2 They get sick so often. If they (exercise) ______ more ,they (be)____ healthier
3 If I (have)____________ one million US dollars, I (build) _________ more parks in our city
4 Ngoc’s mother is unhappy. If ngoc (tidy) _______ her room every day , her mother (not be)___ so upset
5 There ins’t a graden at our house. If there (be) _________, We (grow) _______vegetables.
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