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

Câu hỏi

When I into the room, two boys a picture book together.

A. came - were reading

B. were coming - were reading

C. came – read

D. were coming – read

Đáp án
A. came - were reading

Câu hỏi thuộc Bài tập:

When I ____ into the room, two boys ____ a picture book together.