The flu is believed _____ by viruses inside the human nose and throat.A. causing
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| The flu is believed _____ by viruses inside the human nose and throat. |
A. causing
B. being caused
C. to be caused
D. be have caused |
答案
举一反三
| When asked why he went there, he said he was sent there _____ for a space flight. |
| [ ] |
A. training
B. being trained
C. to have trained
D. to be trained |
If your composition _____ by the end of this week is delayed, you"re sure to lose some points from your
final result. |
| [ ] |
A. to be finished
B. is finished
C. will have been finished
D. finishing |
— What are you up to now?
— I"m preparing for the interview _____ tomorrow. After all, it is my first attempt. |
A. will be held
B. to be held
C. being held
D. held |
| No one likes _____. |
A. to play a trick on
B. to play a trick
C. to be played a trick
D. to be played a trick on |
| With a large amount of work _____, the chief manager couldn"t spare time for a holiday. |
A. remained to be done
B. remaining to be done
C. remained being done
D. remaining to do |
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