Circle the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Câu hỏi

Chu Van An _____ one of the most famous teachers of Viet Nam.

A. was

B. be

C. being

D. been

Đáp án
A. was

Câu hỏi thuộc Bài tập:

E7- GS - Thi học kỳ I (1)