1、
A:May I use your crayon
B:Yes.______ ______ ______(填空)
2、
A:Glad to see you,Sue.
B:______ ______ ______ ______ ,_______.(填空)
A:______ ______ ______ ______ ______ _______ ,sir
A:______ ______ ______ ______ ______ _______ ,sir
B:I want to buy a book