You can hardly imagine the once clear canal _____ so seriously polluted that no
题型:同步题难度:来源:
You can hardly imagine the once clear canal _____ so seriously polluted that no fish can live in it. |
[ ] |
A. have become B. having become C. to have become D. to become |
答案
B |
举一反三
___ his work, he started to play the computer games. |
[ ] |
A. Being finished B. Having finished C. Finishing D. Having been finished |
All the tasks___________ahead of time, they decided to go on holiday for a week. |
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A. been fulfilled B. were fulfilled C. having been fulfilled D. had been fulfilled |
_______ from the operation, the patient was advised to stay in hospital for another two weeks. |
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A. Having not fully recovered B. Being not fully recovered C. Not having fully recovered D. Not fully recovering |
The young man, ______ several attempts to beat the world record in high jumping, decided to have another try. |
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A. to make B. making C. made D. having made |
_______ such heavy pollution already, it may now be too late to clean up the river. |
[ ] |
A. Having suffered B. Suffering C. To suffer D. Suffered |
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