单项选择题

The man stopped from time to time ______ whether he was being followed.

A. as if found
B. as to find
C. as if to find
D. when found
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单项选择题
The dying old man opened his mouth as if ______ something．
A．to say
B．saying
C．to have said
D．was saying
单项选择题
—Which would you like．chicken or fish —______
A．I don't think so．
B．What if
C．Both．
D．Neither can
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