May I have a cat at home, Dad?—Yes, you can. But you must know how to ____________ a cat.

Can you see ____ sheep eating grass on the hill?— Sure I can.

How are you going to the train station to meet your aunt?— I’m going there ____ my car. [ ]

_______ of the students in our class _______ interested in micro blogs (微博) on the Internet.

It takes us about ____ hour to get to the Yangzhou-Taizhou Airport from Taizhou by ____ bus.