单项选择题

I ______ with all the windows closed, but now I'd like some fresh air.

A．am used to sleep
B．am used to sleeping
C．used to sleeping
D．used to sleep
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单项选择题
Americans eat ______ vegetables per person today as they did in 1910.
A．more than twice
B．as twice as many
C．twice as many as
D．more than twice as many
单项选择题
The thief (wanted) (to get) in (and) (stole) something.
A．wanted
B．to get
C．and
D．stole
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