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

Câu hỏi

Some high school students often_____helping the disadvantaged or handicapped children.

A. look after

B. clean up

C. make out

D. participate in

Đáp án
D. participate in

Câu hỏi thuộc Bài tập:

ÔN TẬP KTGK2-K10