问答题
Speaker A: Excuse me, do you need a hand? Speaker B: ______
A．Oh, yes, please. I haven't used one like this before.
B．No, thank you. I don't need another hand.
C．Sorry, do you know how to do this exercise?
D．of course. I need a hand.
A.Oh,
B.
B．No,
C.
C．Sorry,
D.of
E.
