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5. Change the following sentence into the passive voice.
People are destroying large areas of forest now.
6. If my father ............here now, he ...............help me.
A. were / can help B. had been / could help C. were/ could help D. is / can help
7. People speak English all over the world. (Turn into the passive voice)
…………………………………………………………………………………………………
8. If I knew her number, I ..................... her.
A. phone B. will phone C. would phone D. had phoned
9. This brigde _____________by Australian engineers in 2000.
A. built B.was built C. is built D. builds
10. ______ is a term that refers to the existence of different kinds of animals and plants which
make a balanced environment.
A. samples B. biodiversity C. challenges D. investigation
11. Someone wrote this letter last night.
This letter______________________________________________________________
12. Each year about five thousand species of plants and animals are_________.
A. eliminated B. competed C. presented D. wanted
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