todaymorningimetsomethingbad,myenglishteacherforcedmetowriteanarticleinenglish,soifeelverybadbecauseiamreallynotgoodatwritingarticle,escepllyinenglish,soiturnonmycomputerandsearchforhelponbaidu,fortunately,anenthusiasticunclewroteanarticleforme,ifeelgood,whataluckyday!