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

Câu hỏi

The 28th and 29th ASEAN Summits will focus ________ efforts to build the ASEAN Community.

A. at

B. for

C. in

D. on

Đáp án
D. on

Câu hỏi thuộc Bài tập:

E11- GS- Unit 4- Practice 1