Giúp với ạ :( Rewrite the sentences using used to (5đ) : 1. My mum lived in a small village when she was a girl. → My mum _________________________________. 2. There are more vehicles on the roads now. → There did not _____________________________. 3. We cycled to school two years ago. → We ______________________________________. 4. There did not use to be many traffic accidents before. → Now there are _____________________________. 5. My uncle was a bus driver some years ago, but now he has a desk job. → My uncle_________________________________.