The telephone rang but I didn’t hear it. I _______ asleep. A. must be B. should be C. ought to have ...
2023-02-02 03:57:30 64次 2013届福建省高一下学期期中考试英语题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The telephone
rang but I didn’t hear it. I _______
asleep.
A.
must be B. should be C. ought to have been D. must have
been
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