1. (2020七上·驿城期末) 根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。

A: Hi, Jack! Look at the boy in blue, ？

B: He is my cousin, Alan

A: ?

B: He is 13.

A: Does he like sports?

B: Yes. We often play sports after school.

A. ?

B: Basketball

A: ?

B: No, I don't. But Alan does. And he has three basketballs.

A: Let's play basketball with him after school.

B: .