Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

I wish I ________ what to do to help my mother now.

A. know

B. will know

C. knew

D. have known

Đáp án
C. knew

Câu hỏi thuộc Bài tập:

E9- Vào 10- Đề ôn 12