Choose the best option to complete each of the following sentences.

Câu hỏi

My mumwhile Ithe floor at 5 p.m. yesterday.

A. was cooking - cleaned

B. cooked - cleaned

C. cooked - was cleaning

D. was cooking - was cleaning

Đáp án
D. was cooking - was cleaning

Câu hỏi thuộc Bài tập:

Ms. Dung Purple - Unit 4: For a Better Community - Grammar