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单选题 The lecturer was a tall thin man with white hair. Then it ______ Dr. Bell because he is short and fat. It ______ Dr. Jones; he is thin
学科：默认课程
时间：2026-04-19 00:28:46
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题目1单选题
John ______ be working in his office now because I saw him only ten minutes ago in the shopping mallA. mustn'tB. isn'tC. can'tD. may not
题目2单选题
We will never give in whatever they ______ say or doA. canB. mayC. shallD. should
题目3单选题
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题目4单选题
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题目5单选题
The lecturer was a tall thin man with white hair. Then it ______ Dr. Bell because he is short and fat. It ______ Dr. Jones; he is thinA. can't be, must beB. can't have been, must have beenC. must be, can't beD. couldn't have been, might have been
题目6单选题
Mary ______ my letter; otherwise she would have replied before nowA. couldn't have receivedB. ought to have receivedC. has receivedD. shouldn't have received
题目7单选题
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题目8单选题
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题目9单选题
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题目10单选题
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