题目内容
You _____ be tired-you've only been working for an hour.
[ ]
A. must not
B. won't
C. can't
D. may not
B. won't
C. can't
D. may not
C
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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 |