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最佳答案:voluntee
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最佳答案:There are many volunteers come(came) to help us.
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最佳答案:I like to volunteer work
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最佳答案:Being awarded the title of Star-level VolunteerBeing awarded the title of Excell
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最佳答案:2010 world expo volunteers
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最佳答案:Used to volunteer for my alumni