阅读短文，判断对错，对的写“T”，错的写“F”。

John: Hello! Is that Zhang Peng?

Zhang Peng: Yes.

John: This is John. I'm going on a trip to Beijing. Can you go with me?

Zhang Peng: That's wonderful. But I need to ask my mother. When do you leave for Beijing?

John: I leave next Sunday.

( ) 1. John wants to go to Beijing.

( ) 2. John leaves for Beijing next Saturday.

( ) 3. Zhang Peng can go to Beijing with John together.

( ) 4. Zhang Peng doesn't ask his mother.