Question

You ________ be tired-you've only been working for an hour．

A. must not B. won't C. can't D. may not

Answer 1

答案C 句中破折号后的内容对前一句进行解释说明：你只工作了一个小时，所以你不可能累的。表示否定推测时用can’t。 查看原帖>>