Question

【题目】Mary,___________ talk so loudly. The other students are reading books now.

A. don'tB. doesn'tC. mustn'tD. can't

Answer 1

【答案】A

【解析】

句意：玛丽，别那么大声说话。其他学生正在读书。

考查祈使句。根据句意语境，可知本句是否定祈使句，需用don’t + do结构，故选A。