单项选择题

The kids lay face down on the beach, their backs（）to the sun.

A. exposing
B. were exposing
C. exposed
D. having exposed

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单项选择题
The new power station is reported（）within three years.

A. to complete
B. having been completed
C. to have completed
D. to have been completed
单项选择题
His proposal that the money（）to build a nursery school was accepted.

A. was used
B. should be used
C. were used
D. would be used
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