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單項選擇題

It was essential that the application forms（）back before the deadline.

A.must be sent
B.be sent
C.would be sent
D.were sent

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單項選擇題

Jim is sorry（）so impolite to your guest last Saturday.

A.to be
B.being
C.having been
D.to have been

單項選擇題

John regretted（）ashore yesterday.

A.not going
B.not having been going
C.not to go
D.not to be going

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