摘要： I need one more stamp before my collection . A. had completed B. completes C. has been completed D. is completed 答:D.若从句表示的动作发生在主句动作之后.从句时态只用一般现在时.若从句表示的动作发生在主句动作之前.从句用一般现在时或现在完成时均可．如:may watch TV after you finish your homework.
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I need one more stamp before my collection _____________.
A. had completed B. completes C. has been completed D. is completed
查看习题详情和答案>>I need one more stamp before my collection ______.
A. had completed B. completes
C. has been completed D. is completed
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I need one more stamp before my collection ______.
A. had completed B. completes
C. has been completed D. is completed
查看习题详情和答案>>