15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 1)

Air pollution, together with littering, are causing many problems in our large, industrial cities A. with littering B. are causing C. many problems D. industrial cities

2410/5750

Air pollution, together with littering, are causing many problems in our large, industrial cities

with littering

are causing

many problems

industrial cities

Giải thích

Đáp án C

Stop => be stopped