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

She acted as though she________ him before.

A. knew

B. know

C. had known

D. has known

Đáp án
C. had known

Câu hỏi thuộc Bài tập:

Ôn thi vào lớp 10 _ đề số 5 (tập 2)