Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

Câu hỏi

I've been studying French since I have started high school.

A. I’ve been studying

B. since

C. have started

D. high school

Đáp án
C. have started

Câu hỏi thuộc Bài tập:

E9- TĐ- Đề ôn số 4