----- Nội dung dịch tự động từ ảnh ----- Exercise 1: Use the verbs in brankets in the past perfect. 1. Why did Tom's mother get angry with him? Because he (break) . . her favourite vase. 2. When did you watch TV last night? When I (do). . all my homework. 3. Did you first see them at my last birthday party? No, I (meet). . them before. 4. Why did she return home ? She suddenly remembered she (not, turn off).. the gas stove. ......
