单项选择题

I’m（）with the window open.

A.sleep
B.slept
C.used to sleep
D.used to sleeping

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单项选择题
He is good at a lot of different sports.He can be called a（n）（）sportsman.

A.accurate
B.upright
C.acrobatic
D.all-round
单项选择题
Children must be（）so as to be protected against smallpox.

A.renovated
B.stimulated
C.avoided
D.vaccinated
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