单项选择题

They looked both ways before （）the street

A. they crossing
B. cross
C. crossed
D. crossing

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单项选择题
They have bought the cottage （）reselling it at a profit.

A. on account of
B. with a view to
C. in regard to
D. as a result of
单项选择题
The servant（） all day and all night.

A. made to work
B. was made to work
C. was made work
D. was made working
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