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I didn’t hear the phone, I ______ asleep.A、must beB、must have beenC、should be
I didn’t hear the phone, I ______ asleep.A、must beB、must have beenC、should be
游客
2025-07-29
23
管理
问题
I didn’t hear the phone, I ______ asleep.
选项
A、must be
B、must have been
C、should be
D、should have been
答案
B
解析
前一分句用的是一般过去时态,而后一分句表示的是对过去的一种很肯定的推测,因此用“must+完成时态”这种虚拟语气。
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