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第241页

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are used to shaking hands (with each other)

impolite/not polite of the boy to cut in on others/other people

mind handing out these books/handing these books out to the students

Those clothes were separated into different groups and washed

Has Tom decided/made up his mind to depend on himself

give me some advice on how to make a difference to the Earth

I used to be impolite. I only cared about myself. Over the years I have changed a lot. Now I have

become more polite. When I meet teachers and parents, I always say "hello" to them. I am also willing

to help others. I have become a volunteer and often give a helping hand to people in need. Moreover, I

know it's important to protect the environment. I have developed a green lifestyle. I always turn off the

tap while brushing my teeth. In this way, I can help save water and energy.

I will work harder to improve myself and make the world better.