He ( ) be the person who killed Mary because he was with me last...下列选项哪个正确,为什么?He ( ) be the person who killed Mary because he was with me last night the whole night and ( ) it.A can't...could not do B may not ... could

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He ( ) be the person who killed Mary because he was with me last...下列选项哪个正确,为什么?He ( ) be the person who killed Mary because he was with me last night the whole night and ( ) it.A can't...could not do B may not ... could
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He ( ) be the person who killed Mary because he was with me last...下列选项哪个正确,为什么?He ( ) be the person who killed Mary because he was with me last night the whole night and ( ) it.A can't...could not do B may not ... could
He ( ) be the person who killed Mary because he was with me last...下列选项哪个正确,为什么?
He ( ) be the person who killed Mary because he was with me last night the whole night and ( ) it.
A can't...could not do B may not ... could not do C must not...could not have done D can't...could not have done
为什么不选C?

He ( ) be the person who killed Mary because he was with me last...下列选项哪个正确,为什么?He ( ) be the person who killed Mary because he was with me last night the whole night and ( ) it.A can't...could not do B may not ... could
D 否定句的推测用 can't .在否定推测中用"Can't"表示"一定不"
在表推测时"must只能用在肯定句中,不能用于否定和疑问句中.
must not 是禁止的意思

你好，
must是表示推断的，有猜测的含义在里面。但是这个句子意思是，他不可能是杀玛丽的人，因为他昨晚整晚和我在一起，不可能去杀人。已经不是推断了，而是证据确凿，陈述事实。所以应该选can't，can't的否定意味更强烈。
希望可以帮助到你~...

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你好，
must是表示推断的，有猜测的含义在里面。但是这个句子意思是，他不可能是杀玛丽的人，因为他昨晚整晚和我在一起，不可能去杀人。已经不是推断了，而是证据确凿，陈述事实。所以应该选can't，can't的否定意味更强烈。
希望可以帮助到你~

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he thought he was going to be Person of the Year in 1984,请帮着翻译, We will be the person he'd hate 'dream the wake up! He suggested the person referred -----put into prisonA,to being B,be C,to be D,would be He does not want to be a useless person for the society改为同义句 He will be the first person to come to school.为什么要用to come We need someone to be the leader of the group.He is(这样的）a person as he looks. only when he is in one of the best condition,Will be the best person to love me. the person who be loved is happy a person be forgotten in the corner . Be yourseIf,and be the person you heLp to be Do you think a person who always smiles,so he must be happy?Why?Please answer the question in English. be mentioned in 与 refer to求区别E：this is bob.he's the person i ( ) my last letter 再次麻烦您解答He or she (tell) tells the other person he (be) is totally unimportant.还是括号后有无语法错误?如有请详细指正,谢谢 TO BE THE PERSON THAT YOU WANT TO BE! be your self,and be the person you help to and be the person help you to be!yourself. Be yourself ,and be the person you help to Be myself and be the person you help to