1. The test in geography is easy but the test in biology is easier
2. Hanoi is sunny but Ho Chi Minh City is sunnier
3. Stan is successful but his sister is more successful
4. My mother's voice is soft but my teacher's voice is softer
5. Amy's baby is beautiful but my baby is more beautiful
6. I am tall but my grandfather is taller
7. James is hard-working but Joey is more hard-working
8. Lucy is clever but Carol is cleverer