单项选择题

I don't think he ______ now.

A．must sleep
B．must be sleeping
C．can be sleeping
D．may sleep
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单项选择题
China is a ______ with a long history.
A．nation
B．state
C．homeland
D．country
单项选择题
I remember ______ for the job, but I forget the exact amount.
A．being paid
B．to be paid
C．get paid
D．that I receive pay
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