It ______ be the postman at the door. It’s only six o’clock.A．mustn’tB．can’tC．wo
题型：不详难度：来源：
It ______ be the postman at the door. It’s only six o’clock.| A．mustn’t | B．can’t | C．won’t | D．needn’t |
|
答案
| B |
解析
| 本题考查情态动词的用法。A表示“禁止”；B：不可能；C：不愿意；D：不必。句意：门外不可能是邮递员，现在才六点。根据句意可知答案为B项。 |
举一反三
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