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科目: 来源:同步题 题型:单选题

______ 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

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科目: 来源:同步题 题型:单选题

_____ 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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科目: 来源:同步题 题型:单选题

Technology is developing so rapidly that _____ for only a year, my cellphone is out-of-date.

[     ]

A. using
B. having been used
C. having used
D. is using

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科目: 来源:同步题 题型:单选题

_____ in the queue for half an hour, the old man suddenly realized he had left the cheque in the car.

[     ]

A. Waiting
B. To wait
C. Having waited
D. To have waited

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科目: 来源:山西省会考题 题型:单选题

_____ many times, he finally understood it.

[     ]

A. Told
B. Telling
C. Having taken
D. Having been told

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科目: 来源:期中题 题型:单选题

Although _____ considerable success as an artist, the young man keeps working hard.

[     ]

A. achieving
B. achieved
C. to achieve
D. having achieved

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科目: 来源:模拟题 题型:单选题

_____ her emotion, she buried her face in her hands.

[     ]

A. Controlled
B. To control
C. Being controlled
D. Having controlled

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科目: 来源:模拟题 题型:单选题

_____ their final medical check, the astronauts boarded their spacecraft.

[     ]

A. Received
B. Being received
C. To receive
D. Having received

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科目: 来源:模拟题 题型:单选题

_____ back to China, all the staff who had worked in Libya strongly felt that our country is very powerful.

[     ]

A. To fly
B. Flying
C. To be flown
D. Having been flown

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科目: 来源:河北省月考题 题型:单选题

Dina, ______ for months to find a job as a waitress, finally took a position at a local advertising agency.
[     ]
A. struggling        
B. struggled        
C. having struggled      
D. to struggle

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