（1）the white and blue sweater is 20 dollars （对20 dollars提问）（2）here is your sock （改为复数）（3）I like red （对red 提问）（4）they're 15 dollars（改为单数）（5）can I help you （同义句）

HOW MUCH IS THE WHITE AND BLUE SWEATER
here are your socks
which colour do you like
ther are 15-dollar
what can i do for you

(1) how much is the white and blue sweater?
(2) here are your socks.
(3) what color do you like?
(4) it's 15 dollars./It's 1dollar.
(5) what can I do for you?

how much is the white and blue sweater
here are your socks.
what colour do you like?
it's 15 dollars.
what can i do for you?

1. How much is the white and blue sweater?
2. Here are your socks.
3. Which/what colour do you like?
4. It is 15 dollars.
5. What can I do for you?