第42页 - 亮点给力提优课时作业本六年级英语译林版

B

A

B

C

pollute the air and water

get ill

such as old newspapers and glass

goes into the air

To protect the environment

isn't

shouldn't

A good environment in the city can make people feel happy and live

better. But sometimes rubbish makes the city messy and dirty. To keep

our city clean, we shouldn't litter. We should put rubbish (更多请查看作业精灵详解)