短文改错练与析假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处，每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。删除：把多余的词用斜线（\）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均限一词。2.只允许修改10处，多者（从第11处起）不计分。Onenight,whenIlookedoutthewindow,tomysurprise,Ihappenedtofindthatamanwasstealingalidforthesewerundermybuilding.Thenhewasabouttoleavewhiletwopolicemenwerewalkingtohisdirection.Themomentthemansawthepolicemen,heranbackhurriedly.However,hewasverycarelessthathefelloffintothesewerwhoselidcarriedawaybyhim.Thenwhenthetwopolicemencamenear,theyheardsomeoneshouting“Help!”Thetwopolicemenstopped,listenedtocarefullyanditwasfromthesewer.Finally,thetwopolicemenremovedthelid,savingthethiefoutofthesewerandofcoursesendhimintothepolicestation.答案：Onenight,whenIlookedout∧thewindow,tomysurprise,Ihappenedtofindthataofmanwasstealingalidforthesewerundermybuilding.Thenhewasabouttoleavewhilebelowwhentwopolicemenwerewalkingtohisdirection.Themomentthemansawthepolicemen,heinranbackhurriedly.However,hewasverycarelessthathefelloffintothesewerwhoselidso∧carriedawaybyhim.Thenwhenthetwopolicemencamenear,theyheardsomeonewasnearershouting“Help!”Thetwopolicemenstopped,listenedtocarefullyanditwasfromthesewer.Finally,thetwopolicemenremovedthelid,savingthethiefoutofthesewerandofcoursesavedsendhimintothepolicestation.sent
