[单选题]You ______ be tired: you have only just begun to work.

A
can not
B
should not
C
mustn't
D
may not
正确答案:A
题目解析
"肯定不" 不是想当然的是"mustn't",而是"can't"。这个是需要记忆的。
扫描二维码
免费搜题、免费刷题、免费查看解析