Part 3. Choose A, B, C, or D to indicate the correct answer to each of the following questions. (2.0pts)

Câu hỏi

We _______ in our school's sports competition once.

A. participate

B. have participated

C. has participated

D. are participating

Đáp án
B. have participated

Câu hỏi thuộc Bài tập:

Kiểm tra cuối kì 1 Lớp 9