A:①②③
B:②③④
C:①③④
D:①②④
遇到大风天气时,路旁架高的电线会发出嗡嗡的响声,这种声音是由于电线的 ____ 产生的。
补全下面的对话。
A.Size 8,please.
B.These shoes are nice.
C.I will take them.
D.How much are they?
E.Here you are.
A:Can I help you?
B:Yes.____Can I try them on?
A:Of course.
B:____
A:OK.____
A:$50.
B:Here is the money.____