Peopleinthecitykepttheirsorroundings_______(protect).Theydonamp;#39;tallowunknownpeople_______(invite)totheball.Ifoundastrangeperson_______(walk)nearbyourshopyesterday.Weheardthesong_______(sing)nextd

问题：Peopleinthecitykepttheirsorroundings_______(protect).Theydonamp;#39;tallowunknownpeople_______(invite)totheball.Ifoundastrangeperson_______(walk)nearbyourshopyesterday.Weheardthesong_______(sing)nextdoor.Weheardthem_______

答案：↓↓↓

陆宁云的回答：

网友采纳　　protected(过分作宾补)　　invited(过分作宾补)　　walking(现分作宾补)　　sung(过分作宾补)　　singing(现分作宾补)　　missing(现分作宾补)　　understood(过分作宾补)　　seated(过分作宾补)　　cry,tocry(makesb.dosth.;sb.bemadetodosth.)　　bought(过分作宾补)　　过去分词作宾补,表示被动且动作已完成.　　现在分词作宾补,表示宾语发出这个动作,且动作正在进行.