—Where Margaret have put the empty bottles?
—She them away. They must be somewhere.
A. can; can’t have thrown
B. must; needn’t
C. must; must have thrown
D. can; must throw
—Where Margaret have put the empty bottles?—She them away. They must be somewhere.A. can
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解决时间 2021-01-21 00:12
- 提问者网友：爱了却不能说
- 2021-01-20 00:15
最佳答案
- 五星知识达人网友：鱼忧
- 2020-08-06 21:13
(答案→)A. can; can’t have thrownB. must; needn’tC. must; must have thrownD. can; must throw解析：本题考查情态动词+have done表示对过去事实的推测的用法。must have done用于肯定句中，疑问句否定句中应用can could代替must。故选A。
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- 1楼网友：慢性怪人
- 2019-03-28 11:07
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