2.A: I'm sorry Kate , i can't give you your dictionary.
B:Why?
A: Because I left it in the library.
B: Ok , i'm going to go get it.
3.A: I can't go to the cinema Mark.
B : Why you can't go?
A : I don't have any money.
B : Ok , we are going to go another time.
4. A : I can't show you my homework Mrs. Smith.
B : Why?
A : Because i left it on the bus
B : It's ok , you can give it tomorrow.
