Chọn đáp án đúng nhấtrivers, lakes and seas. D. let's have a rest and you will recover. rivers, lakes and seas fact; we keep (23) One of the main causes of water pollution is waste which is pumped (24) the water on our planet. in dead twenty years' time and they say that some rivers are already so polluted that they are (eo Another main cause of water pollution is oil spills. Oil spills are caused by leaks n ships or by acciden involving oil tankers. Thousands of tons of oil spread over the surface of the sea, and as a result destroy marine life, life on beaches, kill sea birds, etc. A lot of (27) people to prevent wate responsible are fined. However, the problem is very serious and something (28). pollution. 23. A. to pollute have been taken by governments to stop water pollution. For example, the D. having pollute C. pollute C. into C. which C. poisonously C. responsibility C. must be done B. polluting D. on B. with D. That 24. A. from 25. A. while B. when D. enthusiastically B. biologically D. measures 26. A. scientifically 27. A. campaigns B. issues D. may be happened 28. A. should do B. might have VII Uco the correct form of the word given in each sentence. (1.5 pt) (music) nhoctra last night. |