Helen: What can you do?
Mike: I can play football.
Liu Tao: Me too.
Helen: Great! Let's go and play football.
Liu Tao & Mike: That's a good idea.
Liu Tao: Tim has a nice football. But where's he?
Helen: He's in the library.
Mike: Excuse me, Tim. Where's your football?
Tim: It's in the classroom.
Mike, Helen & Liu Tao: Thanks. Shall we play now?
Tim: Sorry, I can't. I'm busy(忙的) now.
— ___________.