20．根據(jù)對話內(nèi)容，從下面方框內(nèi)選擇恰當(dāng)?shù)木渥訉υ捬a(bǔ)充完整．（選項中有兩項是多余的）
A．Hi，where are you from？
B．Hello，Who's calling？
C．You should learn from them．
D．Dear listeners，who can give him some advice？
E．Why not have a good talk with her？
F．You shouldn't do that with your mom．
G．What's your problem？
A：Hi，everybody．I'm Becky．Welcome back to"The Problem Line"．Today，we're going to talk about problems with parents．Okay，it's time for another call．B（76）
B：Hello．My name's David．
A：Hi，David．Welcome to"The Problem Line"．G（77）
B：Well，I'm having problems with my mom．Every time we talk about something，we don't agree with each other．We argue（爭論）a lot．
A：F（78）It's not polite．
B：I know．But she always arranges（安排）everything for me．I can't even decide
what to wear on weekends．
A：That's too bad．E（79）
B：I tried，but she never listened to me．She thinks I should listen to her because I'm her child．
A：Well，that's a difficult problem．D（80）
C：Hello，I'm Vera．I think David should ask his teacher for help．Perhaps his mother will listen to his teacher．
B：OK．I'll have a try．Thank you．
