6. Lan is more intelligent than her sister.
-
- Lan's sister isn't
7. My teacher walks to school.--> My teacher goes_
8. How much is your new bike?
- How much does
9. He has worked as a volunteer for 3 years.
He started
10. Let's come to my house after school.
- What about
11. Tom has 3 kittens in his house. (Make question for the underlined words)