IV. Choose the best answer A, B, Cor D for each sentence. 16. We ……………….from different kinds of pollution: water air, soil and noise. A.is suffering B.suffer C.are suffering D.had suffered 17.The babies when Alice came. A.has slept B.have slept C.is sleeping D.were sleeping 18.America…………….Thanksgiving Day on the fourth Thursday of November since 1864. A.celebrates B.has celebrated C.is celebrating D.celebrated 19.The fish died massively because the water is ………………... A.damaged B.hotter C.contaminated D.poison 20. A natural disaster can cause loss of life or damage. A.property B.house C.home D.money 21…………….. are severe winter storms characterized by heavy snow and strong winds. A.Droughts B.Blizzards C.Hailstorms D.Volcanic eruptions 22.The ……………..can be controlled by the stoppage of leakage from the radioactive materials including the nuclear reactors, industries and laboratories. A.light pollution B.visual pollution C.air pollution D.radioactive pollution 23. English is ………………….of Australia and Singapore. A.native language B.both A and C C.official language D.second language

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