问题 选择题

--- It is weeks since he ___.

---So it is. We’d better ask some one else to help us.

A.fell ill

B.was ill

C.is ill

D.has been ill

答案

答案:A

“他病了几周了。”since引导的从句使用一般过去时态。当since引导的从句中谓语动词是短暂性动词时,表示从动作开始到现在,因此答案A。

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