Unit 13　We’re trying to save the earth!

Section A

Section A  1b

Tony:Hey,Mark,maybe we could go swimming in the river later this afternoon.

Mark:I don’t think I want to go,Tony.

Tony:Why not?

Mark:I was there last weekend and the river was really dirty.Even the bottom of the river was full of rubbish,and there were no more fish for fishermen to catch.

Tony:No way!It used to be so clean.In fact,it has always been the nicest river in this town.

Mark:Not anymore.I think people are throwing litter into the river.Factories are also putting waste into the river.

Tony:That’s terrible!We should write to the government.They should close down the factories.

Mark:Good idea!But I think everyone in this town should help to clean up the river,too.Everyone should play a part,not just the government.