Bài 3 Viết lại câu, sử dụng used to hoặc didn't use to 1. I had a lot of money but I lost it all when my business failed. => I …………………………………. 2. I quite like classical music now, although I wasn't keen on it when I was younger. => I …………………………………………… 3. Dennis gave up smoking three years ago. => Dennis ……………………………………. 4. My parents lived in the USA when they were young. => My parents ……………………………………….. 5. Jim was my best friend, but we aren't friends any more. => Jim …………………………….. 6. When he was younger, my uncle was a national swimming champion. => my uncle …………………………….. 7. I eat ice-cream now, but I disliked eating it when I was a child. => I didn’t …………………………………… giúp em với các pro part cuối 20 điểm