单项选择题

（）more attention, the young trees could have grown much better.

A. To give
B. Given
C. Give
D. Having given

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单项选择题
The teacher came into the room, with his hands （）behind his back.

A. being crossed
B. having crossed
C. crossed
D. to be crossed
单项选择题
A good （）of animals hibernate and during their hibernation they eat

A. deal, a little
B. number, a few
C. deal, few
D. number, little
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