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

Câu hỏi

She wanted to know how long did it take to get there.

Đáp án
C. did it take

Câu hỏi thuộc Bài tập:

E9- Vào 10- Đề ôn 26