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

Câu hỏi

They _____ a new hopital three years ago.

A. built

B. build

C. have built

D. were building

Đáp án
A. built

Câu hỏi thuộc Bài tập:

E7-GS- Thi giữa kỳ I (2)