( )1. The book store is far away from here. You'd better____________.
A. by bus B.on a bus C. take a bus D. in a bus
( )2. -Would you please go out for a walk with me? -_______, but I'm too busy now.
A.That's right. B. I'd love to C. Of course not D.That's all right
( )3. -I'm hungry ,Mom. --__________
A.What about a pizza? B.I'm hungry ,too C.It's time for lunch D.What about you?
( )4. _________interesting dolphin it is!
A.How an B.How a C.What an D.What a