单项选择题

A free lookout ______ the hills with binoculars.

A．scanned
B．scrutinized
C．explored
D．swept
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单项选择题
Gently ______ her words were spoken, there was no mistaking that she was displeased.
A．if
B．while
C．as
D．though
单项选择题
To be frank, I'd sooner you ______ a good review yesterday for the coming test.
A．hadn't done
B．didn't do
C．couldn't have done
D．wouldn't do
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