1. My mother is not as old as my father.
2. Is there a library in your neighbourhood?
3. Minh's house isn't far from the supermarket.
4. Unit two is not so easy as Unit one.
5. My father is taller than my mother.
6/ The classroom has twenty desks.
7. Shanghai World Financial Centre is higher than Keangnam Tower
8. Your neighbourhood is not as peaceful as ours.
9. She has brown hair.
10. My sister is the tallest in her class.
