You             use your mobile phone during the test. It's against the rules.

Câu hỏi :

You             use your mobile phone during the test. It's against the rules.

A mustn't

B mightn't

C needn't

D oughtn't

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

Copyright © 2021 HOCTAP247