题目内容
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 |
B
解析
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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 |