where are your friends from?同义句

1.Where are you friends from?
Where do your friends come from?
2.How is the weather today?
What is the weather like today?
3.How good the boy is!
What a good boy he is!
4.You can go to school on foot.
You can walk to school.
5.I want to be in your club.
I want to go to your club.
6.Who is your math teacher?
Which teacher is your math teacher?
7.Let me help you learn English.
Let me help you with your English.
8.He buys his son a toy car.
He buys a toy car for his son.
9.Can you play the piano well?
Are you good in playing the piano?