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—I cannot find Tom anywhere. —He ________ have been off long. I heard him ma
—I cannot find Tom anywhere. —He ________ have been off long. I heard him ma
游客
2023-09-18
13
管理
问题
—I cannot find Tom anywhere.
—He ________ have been off long. I heard him make a call just now.
选项
A、shouldn’t
B、can’t
C、mustn’t
D、needn’t
答案
B
解析
shouldn’t have done表示“本不应该做某事”;can’t have done表示“不可能做了某事”;“mustn’t have done”表示“禁止做某事”;needn’t have done表示“本来没必要做某事”。故选B。
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