2. this (复数)       

3. black (对应词)       

4. shoe (复数)       

5. smalK对应词)       

6. dollars (单数)       

(   ) 1. I want to buy a shirt      my father.

   A. to   B. on   C. for   D. in

(   ) 2. —Can I help you?

      ―     .I want a hat.

   A. Yes,you can   B. Yes,please

   C. No,you can't   D. No,thanks

(   ) 3. ―      do you want? ―Black.

   A. What size   B. Where is

   C. How much   D. What color

(   ) 4. ―      are these shorts?

      ―They are 20 dollars.

   A. How much   B. How many

   C. How old   D. How long

(   ) 5. ―Thank you.―      .

   A. You're welcome   B. My pleasure

   C. That's all right   D. Above all