Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 24)

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

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Choose A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

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 B

Are causing => is causing