Like, as or than?

1. I’m as short as my mother.

2. I’m short like my mother.

3. I’m shorter than my sister.

4. I like short skirts as my best friend does.

5. This beautiful house is like a palace.

6. You should do the homework as I told you.

7. They are talking much louder than we do.

8. Some sports are dangerous like bungee-jumping.

9. Some goods are more expensive in the market than in a supermarket.

10. You don’t have to do it my way, do as you want.