单项选择题
A．On the grass. B．Near the pool. C．On his bike. D．At hom
A．Teacher and student. B．Seller and customer. C．Old friends. D．Old classmates.
A．She was feeling sorry for having a strict professor. B．She can hardly believe the new professor. C．She has changed her mind about the professor. D．She has got used to a strict professor.