根据上句，选出正确的应答
1. What's the time, Su Yang?
A. It's seven o'clock.
B. It's time to go home.
2. It's time to go to school.
A. Good moming.
B. OK. Goodbye, Mum.
3. What's this in your school bag?
A. It's a knife.
B. Yes, it is.
4. Who's she?
A. She's my sister.
B. It's five.
5. Shall we watch TV?
A. All right.
B. Thank you.
