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。

John: Good morning, Lingling.

Lingling: , John.

John: The new term is coming. Which monitor would you like to be for our class?

Lingling:

John: Why?

Lingling: I get on well with everyone. I am ready to help others and I can even help teachers too.  What about you?

John:

Lingling: Can you tell me the reason?

John: I often help my mother do cleaning at home.

Tom: Do you know which monitor I want to be, John?

John: because you like sports.

Tom: Yes.