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 worked on the problem for two days, but I still can't find any solution to it.

A. worked

B. two days

C. can't find

D. to it

Đáp án
A. worked

Câu hỏi thuộc Bài tập:

Unit 4. THE MASS MEDIA (Bài tập 5) - Tiếng Anh lớp 12