DearJim 　　I'dliketotellyousomethingmoreaboutourschool 　　sportsmeet．Itwasholding(holden)onOct6，whichwasa 　　fineday．Therewereover1,000studentsandteachers 　　attend(attending)it．WangLin，astudentfrom(of)myclasswonthe 　　100-meterrace．Hefinish(finished)theracein12.6seconds 　　andbrokein(in删除）theschoolrecord．Thespotsmeet 　　wasreallysuccess（successful)．ThatWas(was)becausewewere 　　alltryingtodomy(our)best． 　　AlthoughtIWas(was)notoneofthewinner(winners),I 　　Was(was)proudofthat(that变成what)wehaddone． 　　Lookingforwardtoreceivingyourletter 　　Yours， 　　LiPing 　　B 　　Agroupofscientistswereplanningtogo 　　tocountrysidetodoascientificresearchinorderto 　　findoutthat(that删除）whethertheenvironmentofthecountry 　　had(been)polluted．Onarrival，theystartedtocheckthe 　　airandwater．Toour(their)surprise，theyfound 　　howterribly(terrible)thesituationWas．Theycouldsee 　　theseriouspollution．Look(looking)intothecause， 　　theypersuade(persuaded)thegovernmenttopassthelaw 　　toprotect（the)environmentandkeptthebalanceof 　　nature.Noweverythinghas(been)changed.Birdsare 　　singingwhiletreeandgrassarewaving.