1. 根据短文选择最佳答案。

1. （1） How much are the black hats?

   A . $7 B . $10 C . $12.
3. （2） What are $17?

   A . Bags for girls B . T-shirts for boys. C . Sweaters for girls.
5. （3） What color sports shoes are $18?

   A . Black. B . Brown. C . Yellow.
7. （4） How much are two pairs of socks?

   A . $5. B . $10. C . $14.
9. （5） What are not on sale?

   A . White shorts for boys. B . Yellow shoes for girls. C . Green trousers for boys.