根据句意，填入适当的词完成句子。
1. My mum buys the sweater _______ 20 yuan.
2.1 want to_______ a pair of shoes.
3. The store sells things at a _______ good price.
4. —What's the _______ of this sweater?
—It's 20 dollars.
5. Have a look _______ his new color pen.
6. _______ and see the new clothes.
7. It's only 2 yuan. _______ can buy it.
8. I buy the new shoes _______ Huaxing
Clothes Store.
9. I can't _______ the price of the bag.
10. —What _______ do you like?
—I like green best.