将左边和右边的句子连成对话。

①Is this your bed? ____           a. Hi, Joe.

②Are these your pens? ____    b. No, it isn't.

③Your book is nice. ____        c. Thank you.

④Hi, Peter. ____                      d. Six yuan, please.

⑤How much are they? ____     e. Yes, they are.