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

Câu hỏi

Richard TV when the phone .

A. watched - rang

B. watched - was ringing

C. was watching – rang

D. was watching - was ringing

Đáp án
C. was watching – rang

Câu hỏi thuộc Bài tập:

Richard ____ TV when the phone ____.