TAG：李华英语作文

Dear secretary general, I am very glad to see your information about the robot competition to be held in our city. Now I am writing to you to apply for the position of volunteer participating in the competition. When I was very young, I showed...

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In recent years, scientists in many parts of the worldhave pooled their money, time and efforts toresearch the space. They launch the satellites, establish the spacestations, and even walk on the moon. Space may hold wonders and mysteries of how...

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