Bộ 20 đề kiểm tra Tiếng Anh thi vào 10 có đáp án - Đề 15
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The next important question we have to decide is when do we have to finish our work. A. important

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The next important question we have to decide is when do we have to finish our work.

important

have to

is

do we have to

Giải thích

Chọn đáp án D