The person whois( in charge) of the foctory has (been )ill since _其他解答

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

人气：193 ℃　时间：2020-04-03 18:07:07

解答

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