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31/01/2024
31/01/2024
VIII.Choose the correct answer A, B, C, or D to complete each sentence.
1. If the temperature ____ rising, the polar ice caps will melt. A. kept B. keeps C. has kept D. will keep
2. Because of ____ pollution, the bicycle may someday replace the automobile. A. water B. air C. noise D. soil
3. Students should learn some practical ways that help to ____ pollution. A. save B. cure C. reduce D. shorten
4. _____ she left the party, Jenny said goodbye to the host. A. Before B. After C. As soon as D. Until
5. People think that global warming ____ lots of problems in the future. A. causes B. is causing C. will cause D. has caused
6. We saw many beautiful birds while we ____ in the lake. A. fished B. would fish C. are fishing D. were fishing
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