给下列句子按(A～D)的顺序重新排序，使其组成一段完整的对话。
( )（1）What would you like to buy?
( )（2）I want to buy a pencilbox, a ruler, a notebook, two exercise books and three markers.
( )（3）Mum, shall we go shopping this morning?
( )（4）OK，let's go.
【答案】（1）B （2）C （3）A （4）D
【解析】