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

Câu hỏi

The students only go to visit the archeological site _________ now and then.

A. each

B. all

C. any

D. every

Đáp án
D. every

Câu hỏi thuộc Bài tập:

E11- GS- Unit 6- Practice 4