6 the boy's poor health ---------his parents a great deal()A

问题描述:

6 the boy's poor health ---------his parents a great deal()A was concerned B concerned at Cconcerned D concerned about
1个回答 分类:英语 2014-11-23

问题解答:

我来补答
C concerned
句中的concern是及物动词,后面直接加宾语,不能在加任何介词,排除B D
concern是使动用法~不需要加was,排除A. 只有当concern是形容词时,才有be concerned这种说法.
而concern 当动词表示担忧,关心时没有Somebody. Concern sth. 这种用法,只有sth. concern somebody
希望回答有助于你理解
 
 
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