Bài 2: Viết lại câu sao cho nghĩa không đổi sử dụng từ gợi ý cho sẵn. 1. David had gone home before we arrived. – After ……………………………………………………………………………………. 2. We had lunch then we took a look around the shops. – Before …………………………………………………………………………………… 3. The light had gone out before we got out of the office. – When……………………………………………………………………………………. 4. After she had explained everything clearly, we started our work. – By the time ……………………………………………………………………………. 5. My father had watered all the plants in the garden by the time my mother came home. – ---Before ………………………………………………………………………………… Giúp vs ạ

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