单项选择题

We've done once but failed. We'll have to do it（）time.

A. a second
B. the second
C. the twice
D. twice

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单项选择题
The door was （） and I could not see who she was talking to

A. shut
B. shutted
C. shutting
D. being shut
单项选择题
Can you remember all the （）for our school

A. telephone numbers
B. telephone number
C. telephone's number
D. telephones numbers
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