给下列句子排序,使他们组成一片短文.

题目

给下列句子排序,使他们组成一片短文.
（）1.They bought a big toy car at last.
（）2.So they went to the supermarket together yesterday.
（）3.Dingding and Dongdong are good friends.
（）4.Then they went home by bus.
（）5.They saw lost of toys there.
（）6.They went there very early.
（）7.They wanted to buy some toys.
麻烦帮我解释出来.在写上答案..
只有这么多分了

答案

3726514
3.丁丁和东东是好朋友
7.他们想买一些玩具
2.所以他们昨天一起去了超市
6.他们很早就去了.
5.他们在那看到很多玩具.
1.最后他们买了一个大的玩具车.
4.然后他们坐公交回家了.