But for their help,we the program in time.
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But for their help,we the program in time.
A.cannotfinishB.willnotfinish
C.hadnotfinishedD.couldnothavefinished
参考答案:
But for their help,we the program in time.
A.cannotfinishB.willnotfinish
C.hadnotfinishedD.couldnothavefinished
参考答案: