The person whois( in charge) of the foctory has (been )ill s

问题描述:

The person whois( in charge) of the foctory has (been )ill since last week为什么用括号里面的答案
1个回答 分类:综合 2014-11-19

问题解答:

我来补答
1 be in charge of -- - - - 管理- - -
2 has + 过去动词(been)-----构成现在完成时.
 
 
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