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 oughtn't   

B mustn't  

C needn't

D mightn't

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

Copyright © 2021 HOCTAP247