单项选择题

There’s ______ when we shall meet again.

A. not know



B. not to know
C. no knowing


D. never knowing
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单项选择题
I decided to go to the cinema as soon as I ______.
A. finish what I did


B. would finish what I was doing
C. finished what I did

D. finished what I was doing
单项选择题
The fire was finally brought under control, but not ______ extensive damage had been caused.
A. after
B. before
C. since

D. as
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