20 câu trắc nghiệm Tiếng Anh 7 Unit 7: Traffic - Writing - Global Success có đáp án
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Choose the best answer

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Choose the best answer

Mai was used to cycle to school when she was at grade 6.

Mai use to cycle in school when she was in grade 6.

Mai used to cycle to school when she was in grade 6.

Mai used cycling to school when she was on grade 6.

Giải thích

Đáp án đúng là: C

Đã thường làm gì trong quá khứ: S + used to V.

Dịch: Mai từng đạp xe đến trường khi cô học lớp 6.