1. No one in the village is happier than Mr. Quynh.
2. Life in the city is more stressful than life in the countryside.
3. I've never seen a larger knife than this.
4. Phong walks more quickly than his friends.
5. Houses in the countryside are much cheaper than houses in the city.
6. Tom is a more persuasive speaker than Bill.
7. She knows more about it than me.
8. La drives more slowly and carefully than me.
9. Robert can't cook as well as Jane.