Question 1:         Could you please turn off the stove?  The potatoes____________ for at least twenty minutes. 

Câu hỏi :

Question 1:         Could you please turn off the stove?  The potatoes____________ for at least twenty minutes. 

A are boiling

B boiling

C were boiling

D have been boiling

* Đáp án

D

* Hướng dẫn giải

Phương pháp giải:

Copyright © 2021 HOCTAP247