单项选择题

Our eyes need some time, usually several minutes, to ______ to the darkness.

A.apply
B.adjust
C.adopt
D.change
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单项选择题
There ______ nothing more to discuss, the planned ______ meeting drew to an end twenty minutes earlier.
A.to be... two-hours
B.to have been... two hour
C.being... two-hour
D.is... two hour's
单项选择题
The new teacher ______ by a box of chalk when he just entered the roaring classroom.
A.hit
B.got hit
C.got hitten
D.was hit
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