After Sue ___________the clothes, she began to study.

Câu hỏi :

After Sue ___________the clothes, she began to study.

A. had washed

B. washed

C. washes

D. had been washed

* Đáp án

A

* Hướng dẫn giải

After QKHT, QKĐ.

Copyright © 2021 HOCTAP247