Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word.

Câu hỏi

In the old days, people _____________phrynium leaves before they made Chung cakes.

A. had collected

B. have gained

C. would collect

D. had gained

Đáp án
A. had collected

Câu hỏi thuộc Bài tập:

E9- TĐ- Unit 6 (1)