Animalsaregoodfriendsofhumanbeings.

　　Therefore,peopleshouldbeallowedto【havepetdogs】.【keeppetssuchasdogs】

　　Therearealotofreasons【forthis】.【tosupportthis】

　　First,【dogs】canbegoodlisteners.【pets】

　　Mostofusdon'thavebrothersorsisters.

　　Inthiscase,we【willalways】feellonely.【wouldfeellonelysometimes】

　　【Atthistime】,we【can】talkwithour【petdogs】.【Whenwedofeelso】【willbebetterto】【pets】

　　Althoughtheycan'tspeak,theycan【】understandourfeelings.【still】

　　Second,【】dogscandoalotofworkforman.【smart】

　　They【】playwithusandkeepdoorforus.【may】

　　Theyevencanbe【taught】tobethe"eyes"forablindpersonor"ears"foradeafperson.

　　【trained】

　　【Finally】,learningto【】care【for】apetdog【helps】us【growup】and【learnhowto】respectalllivingthings.

　　【Lastbutnotleast】【take】【of】【willhelp】【toberesponsible】【knowtheimportanceto】

　　Wecanalsolearnaboutlifeanddeathandbecome【moreresponsiblepeople】bykeepingapetdog.【morecaringpeople】

　　Allinall,Ibelieve【】keepingpetdogsisa【quite】goodchoiceforus.【that】

　　改完的：

　　Animalsaregoodfriendsofhumanbeings.Therefore,peopleshouldbeallowedtokeeppetssuchasdogs.Therearealotofreasonstosupportthis.

　　First,thepets,especialliydogscanbegoodlisteners.Today,mostofusdon'thavebrothersorsisters.Inthiscase,wewouldfeellonelysometimes.Whenwedofeelso,wewillbebettertotalkwithourpets.Althoughtheycan'tspeak,theycanstillunderstandourfeelings.

　　Second,smartdogscandoalotofworkforman.Theymayplaywithusandkeepthedoorforus.Theyevencanbetrainedtobethe"eyes"forablindpersonor"ears"foradeafperson.

　　Lastbutnotleast,learningtotakecareofapetdogwillhelpustoberesponsibleandknowtheimportancetorespectalllivingthings.

　　Wecanalsolearnaboutlifeanddeathandbecomemorecaringpeoplebykeepingapetdog.

　　Allinall,Ibelievethatkeepingpetdogsisaquitegoodchoiceforus.

　　总体来说写的不错,把很多语义重复或用词不当的地方改了.

　　五星级回答,一定要采纳哦,不要辜负我的辛苦劳动!

　　【来自英语牛人团】