EXERCISE 5.

Câu hỏi

CÂU 7. We all went to sleep after we _______ the tent.

A. had put up

B. had been putting up

C. were putting up

D. put up

Đáp án
A. had put up

Câu hỏi thuộc Bài tập:

FRIENDS GLOBAL 12 - UNIT 5 - VOCABULARY AND GRAMMAR