Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

While Catherine ______ to her friend on the phone, her mother came home from work.

A. talked

B. talks

C. is talking

D. was talking

Đáp án
D. was talking

Câu hỏi thuộc Bài tập:

Ms. Dung Purple - Revision for the First Final Term