Câu hỏi :

A waitress served us. She was very impolite and impatient.

A A waitress who served us , was very impolite and impatient.

B A waitress which served us., was very impolite and impatient.

C A waitress who served us was very impolite and impatient.

D A waitress whom served us , was very impolite and impatient.

* Đáp án

C

* Hướng dẫn giải

Phương pháp giải:

Copyright © 2021 HOCTAP247