It is thought that the unusual warming of the Earth has (A)
Câu hỏi
Nhận biếtMark 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 .
It is thought that the unusual warming of the Earth has (A) been caused by so-called (B) greenhouse gases, such as carbon dioxide, being emitting (C) into the atmosphere by car engines and factories. (D)
Đáp án đúng: C
Lời giải của Tự Học 365
Giải chi tiết:
Đáp án là C. emitting => emitted, chia bị động trong trường hợp này, có thể dựa vào cụm “by car engines and factories”
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