24.The noise of desks could be heard out in the street.

问题描述:

24.The noise of desks could be heard out in the street.
A.to be opened and closed B.having opened and closed
C.across; to follow D.opened and closed.

这题的正确形式应该是:The noise of desks_____ could be heard out in the street.选 B.但是,正确形式应是 B.being opened and closed 因为,of 之后是动名词短语作介词的宾语.书桌是被打开和关上,故选动名词短语的...