When/ I/ ten/ begin/ play football.

A. When I was ten, I began to play football.

B. When I was ten, I begin to play football.

C. When I am ten, I began to play football.

D. When I was ten, I began play football.

Đáp án
A. When I was ten, I began to play football.

Câu hỏi thuộc Bài tập:

E11- GS- Unit 1- Practice 6