wereasked;66.touse;67.daily;68.that/who;69.which;70.convenience短文改错go改为went;去掉in;Influencing改为Influenced;eager改为eagerly;unusual前加an;both改为all;Beside改为Besides;photo改为photos;they改为we;which改为what参考范文:Deareditor,Iamwritingtotellyousomethingabouttheimmoralbehaviorintravellinginourcountry.Iwassurprisedtoseesomuchimmoralbehaviorinpublicplaces.Somepeoplespitandlittereverywheretheywant;somescratchedtheirnamesonthestreetwallsorotherscenicspots,whichdidgreatharmtothem.Inmyopinion,it’shightimewetookactiontohelpimprovethesituation.First,certainlawsshouldbepassedtoensurepeoplewon’tdamagetheenvironment.Second,ourmediashouldalsotakeresponsibilitytoguidepeopletoprotecttheenvironment.Lastbutnotleast,wetravelersshouldlearntobemoreresponsibleandcarefulforwhatwedo.emoreandmorebeautifulandharmonious!Yours,LiHua