smart phone is a mobile device that allows us to do many things

smartphone is a device we use to serve the life.nowadays, many people think smartphone is too harmful.but it is really useful.firstly,it helps us to relax .secondly,it helps us to texting with friends.next,it can help people to call.it will help people to watch videos,too.finally,it helps us to learn better and know more things about the world around us.more,it can help us to have more friends and it will provide the knowledge for us.you can take money by using smartphone to become a youtuber or tiktoker or streamer.so,smartphone is very important.we need to have smartphone to do many things.if you have smartphone,you can do everythings conveniently

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Nowadays,the energy of the world is wasted.we need to do something to save the energy.First,we need to turn off the light or fan when we don't need to use.we shouldn't waste the electricity.Secondly,we need to use solar energy and wind energy instead of electric energy .the energy needs saving!

Last summer,i did some community service.One of the most amazing community service i did is planted trees.I planted trees with my friends and my teachers.we planted a lot of trees in the school yard.we felt  so good because we made the environment cleaner and better.I want to plant trees  with my family to share them about it.This is one of the best community service I did

35,36,37:C

31:A 32:A 33:A 34:A