_____ to reach them on the phone, we sent an email instead. [     ]A. Fail B. Fa

_____ to reach them on the phone, we sent an email instead. [     ]A. Fail B. Fa

题型:同步题难度:来源:
_____ to reach them on the phone, we sent an email instead.

[     ]

A. Fail
B. Failed
C. To fail
D. Having failed
答案
D
举一反三
 _____ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.

[     ]

A. To wait
B. Have waited
C. Having waited
D. To have waited
题型:同步题难度:| 查看答案
_____ such great pressure once, she managed it finally.

[     ]

A. Facing
B. Having faced
C. Faced
D. To face
题型:同步题难度:| 查看答案
The storm left, _____ a lot of damage to this area.
A. caused
B. to have caused
C. to cause
D. having caused
题型:同步题难度:| 查看答案
_____ 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
题型:同步题难度:| 查看答案
______ the programme, they have to stay there for another two weeks.

[     ]

A. Not completing
B. Not completed
C. Not having completed
D. Having not completed
题型:同步题难度:| 查看答案
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