A.
B.
C.
D.
1.A: Is this your rubber?
( )B: No, it isn't. My rubber is new.
2.A: Would you like a pie?
( )B: Yes, please.
C: Look there! Don't eat or drink in the library.
A&B: Sorry.
3.A: What a nice cake!
( ) B: Make a wish, Lisa.
A: OK. I want a doll.
4.A: Happy Birthday! This is for you.
( ) B: A robot! Thank you.