----- Nội dung dịch tự động từ ảnh ----- Exercise 7: Find and correct the mistakes. 1. We didn't used to have a colorful TV, but we do now. A B C D 2. When my baby sister is younger, she didn't use to eat pizza. A B C D 3. It's about 500 meters at my house to school. B C D A 4. On my way home get school, I sometimes see a train pass by. A B D C 5. Did he use to crying all night when his father died. A B C D