At the begining of class the noise of desk__could be heard o

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At the begining of class the noise of desk__could be heard outside the classroom.
A.opened and closed B.to be opened and closed C.being opened and closed D.to open and close答案是C我想选A

open 有两个词性,动词,开 ,被动语态形式opened,形容词,open, 开着的
close两个词性,动词,关,被动语态形式closed（同时也是形容词,关着的）,形容词,close,亲密的,进的
A选项,and连接了不同的成分,是不可以的. desk与open和close形成被动语态,be+动词过去分词.并且,动词现在分词形式做伴随状语,所以选C

At the begining of class,the noise of desks___ could be hear at the beginning of class,the noise of desks__could be heard they heard the noise of at the beginning of class ,the noise of desks the noise of _____could be heard in the street The noise of _______could be heard out in the street. At the begining of the class,they sang an English song.同义句 ( ) of the two boys got a new English book at the begining o 非谓语动词 At the beginning of the class,the noise of at the begining of 和 on the begining of有什么不同? At the beginning of class,the noise of desks _______ could b [-A72] At the beginning of class ,the noise of desks ______