Câu hỏi:
18/06/2019 1,675Oxygen plays a important role in maintaining live.
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Trả lời:
Đáp án A thành “an”
Giải thích: Dùng “an” khi ngay sau nó là từ bắt đầu bằng các nguyên âm (u,e,o,a,i).
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CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
Most of the houses on the street was built in the previous century.
Câu 2:
She did not know where most of the people in the conference was from.
Câu 3:
Both Mr. and Mrs. Smith are explaining the children the rules of the game.
Câu 4:
Many young people lack skills, good education, and financial to settle in the urban areas where many jobs are found.
Câu 5:
A child of noble birth, his name was famous among the children in that school.
Câu 6:
I had my motorbike repair yesterday but now it still doesn’t work.
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