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关于情态动词的用法You _____ be tired; you have been working for so lo

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关于情态动词的用法
You _____ be tired; you have been working for so long a time,but he _____ be tired; he has just begun to work.
A.may not; must B.must; may not
C.can’t; must D.must; can’t
我选的是B 但是
我知道的是can 表示逻辑上的可能,但是may not 表示不可能的时候,就不能表示逻辑上的吗?
关于情态动词的用法You _____ be tired; you have been working for so lo
这里给出了充分的条件.所以你必须选一个 表示肯定推测和否定推测的词.而不是轻度推测,模棱两可的词.所以第一个选MUST.这个我想你已经理解了.肯定累了.
第二个,因为他刚刚才开始工作,所以肯定不可能累了. 而且这里选can't,除了语义上要表示不可能外.这个句子实际上还有个对比的结构.must的反义词就是can't
关于情态动词的用法You _____ be tired; you have been working for so lo You ( )be tired .you have only been working for an hour. 关于情态动词的“You _____ be punished if you come late for school ag 关于情态动词1.I thought you _____ like reading books,so I have bro You ________ be tired-you've only been working for an ho You ____ be tired --- you’ve only been working for an hour. 情态动词的一道语法题It's wonderful that you _____ have achieved so muc You______ be tired--you've only been working for an hour. You______ be tired--you've only been working for an hour.用ca 英语语法情态动词问题You shoud not have(此处无Been) asked him for helpThe So +be动词、助动词、情态动词+主语 的用法 You look so tired .yes,I have been playing basketball