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

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

24.The noise of desks could be heard out in the street.A.to be opened and closed B.having opened and closedC.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,故选动名词短语的被动形式.

B