Đề thi thử vào lớp 6 môn Tiếng Anh trường THCS Merie Curie năm 2020 có đáp án
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Walking a mile a day is good exercise. A. It is good exercise for walking a mile a day. B. It is good exercise walking a mile a day. C. It is good exercise to walk a mile a day. D. It is good

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Walking a mile a day is good exercise. 

It is good exercise for walking a mile a day.

It is good exercise walking a mile a day.

It is good exercise to walk a mile a day.

It is good exercise to walking a mile a day.

Giải thích

Đáp án đúng là C