Helen： Hi． Frank!

Frank： Hi， Helen! Long time no see．

Helen： What are you busy doing these days？

Frank： （1） 　　

Helen： Oh， what's it about？

Frank： （2） 　　

Helen： Environment？ What do you actually mean？

Frank： Um． I mean we have two main problems． One is that the rivers are badly polluted． The water is very dirty．

Helen：（3） 　　

Frank： Oh． the other is that the trees in the mountains are getting fewer and fewer

Helen： It's true． We should do something to make the rivers cleaner and the mountains greener．

Frank： You are right．（4） 　　

Helen： And next？

Frank： We should also plant more trees．

Helen： Yes． Everyone is supposed to help make a green hometown

Frank： I agree with you． Everyone should play a part．

Helen：（5） 　　

Frank： Why not？ Welcome! Let's take action

A．It's about our school life．

B．We′re having a new project

Green Hometown， We Are in Action．

C．Can I join you？

D．What's the other one？

E．First， we should stop littering into the rivers and clean them．

F．Can you tell me some of the problems you' ve seen？

G．It's about how to protect the environment．