Đề thi thử THPT Quốc Gia môn Tiếng anh năm 2020 (Đề số 16)

The production of different kinds of artificial materials are essential to the

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Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

The production of different kinds of artificial materials are essential to the conservation of our natural resources

artificial

are essential

to

The production

Giải thích

Đáp án là B

chủ ngữ ‘the production‟ là số ít => sửa ‘are essential‟ thành ‘is essential‟.