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.