题目内容
You _________ be tired, for you have worked for quite a long time.
He _________ be tired, for he has just begun to work.
[ ]
A．have to…cannot
B． must…can't
C．have to…mustn't
D． may…isn't able to
答案：B
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相关题目
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 |