A: Hello, Wang Jun. ____ didn't you go to school yesterday?

B: Because I was ill and went ____ the hospital.

A: ____ did the doctor say?

B: He asked me to drink more water.

A: Oh. How are you now?

B: I'm well now. ____ you.

A: That's OK. I'm going to the zoo this afternoon.

B: Really? Can I go ____ you?

A: OK.