题目内容
10. since the police began to search for the missing child (it)
自警方开始寻找失踪的小孩起已经一周了。
10. It has been a week现在完成时与后面的 since引起的时间状语搭配。亦可用It is a week。
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题目内容
10. since the police began to search for the missing child (it)
自警方开始寻找失踪的小孩起已经一周了。
10. It has been a week现在完成时与后面的 since引起的时间状语搭配。亦可用It is a week。