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第89頁

信息發(fā)布者：

many beautiful parks in the city

There are a lot of trees and flowers in the parks.

there is rubbish on the ground

from cars

the air dirty

We shouldn't throw rubbish on the ground. We should put rubbish in the bin. We can

go to school on foot or by bike. We can move some factories away our city. We can

also plant more trees in our city.

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