![FirstLadyMichelleObamaisabigfanofvolunteering.Volunteer...]( "FirstLadyMichelleObamaisabigfanofvolunteering.Volunteer...")
- 问题详情：FirstLadyMichelleObamaisabigfanofvolunteering.Volunteeringmeansworkingforfreetohelpsomeoneelse.Mrs.Obamasaysvolunteeringisveryimportant.“Itshouldbepartofeveryone’slife,”shesays.Manyteensagree.Theysaythathelpingothersfeelsgreatandmakesadiff...
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