短文改错:NowI'dliketotellyousomethingtookplaceinmyschoolyesterday.短文改错:NowI'dliketotellyousomethingtookplaceinmyschoolyesterday.Intheafernoonweareallheldtogetherforour18-years-oldb

　　短文改错:NowI'dliketotellyousomethingtookplaceinmyschoolyesterday.

　　短文改错:NowI'dliketotellyousomethingtookplaceinmyschoolyesterday.Intheafernoonweareallheldtogetherforour18-years-oldbirthday.Atthefirstwepromisedthatlikegrown-upsweshouldberesponsibleforoursociety.Thenweexpressedthanktoourparentswhoexperiencedhardshipstobringusupandourteacherswhoeducatedusheartorsoul.Andourteachersalsogavetouscardsexpressingourgoodcongratulatinsandwishestous.Firnally,weputonwonderfullyperformances.

　　共有10处错误,有漏词,有多余,有修改,每处错误及修改均仅限一词.