David: Hi, Kevin. What are you going to do?

Kevin: I am going to old cans, bottles and old clothes.

David: are you going?

Kevin: I'm going to home to take some old things.

David: are you going to do with them?

Kevin: Making pen holders, bags and plastic bags.

David: It is good to it. I'll go with you.

Kevin: OK! Let's go together!

A: We want to have a class meeting this Monday afternoon.

B:

A: Reusing things, because we can't throw away bottles and cans everywhere.

B: That is true.

A: You are right! We should find out some ways to do it.

B:

A: We should not throw rubbish everywhere.

B: We can't throw away other old bottles and cans.

A: Yes, don't make our city dirty.

I hope we can do something to protect our home clean.

B:

— It is cold.