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        1. 【題目】I didn’t hear the phone. I ___ asleep.

          A.must beB.must have been

          C.should beD.should have been

          【答案】B

          【解析】

          試題 考查情態(tài)動(dòng)詞。句意:我沒(méi)有聽(tīng)到電話,肯定是睡著了。根據(jù) I didn’t hear the phone可知是對(duì)過(guò)去的肯定推測(cè),故用must have done,因此選B項(xiàng)。

          考點(diǎn) : 考查情態(tài)動(dòng)詞

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