【小题1】 Letme try, and I will understand. (I)
【小题2】 I have met many kind teachers in the past three years. I think I am alucky girl. (luck)
【小题3】Life to everyone is only once , we shouldn't waste time. ( one )
【小题4】Give up ! It's bad for your health. (smoke)
【小题5】Li Na is one of the best tennis smoking in the world. （play)
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