① - This is my ruler. - It's nice!    a.

② - Is this your pencil? - Yes, it is.    b.

③ - Are these your books? - Yes, they are.    c.

①Six oranges, please.        a. Good afternoon.

②Good afternoon.             b. Thank you.

③How much are they?       c. OK. Here you are.

④Good boy.                     d. An apple, please.

⑤Can I help you?              e. Ten yuan, please.

- Six yuan, please.

A. much    B. you    C. Here   D. Oranges    E. yuan

— , please.

— OK. you are.

— How are they?

— Twenty , please.

— Thank .