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)
