It is more complicated than we ______________ (previous) thought.
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As far as I know, the government will speed _________ the pace of our economic reform.
When not in a room, you'd better switch_______ all the lights and the fan.
Jennifer is having a hard time getting accustomed to new ____(surround) in Australia.
_____ black and blue, the lady couldn't move.
A. Beaten
Beating
C. To be beaten
D. To beat