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

Câu hỏi

If I __________ harder, I would have passed the exam.

A. study

B. studied

C. had studied

D. studying

Đáp án
C. had studied

Câu hỏi thuộc Bài tập:

Ôn thi vào lớp 10 - Đề 4