英语为什么过去式的句子中用现在进行时?2.TodaywasSunday.LiMingandZhangHongweregoingtothelibrary.Theyweretalkingandlaughinghappily.Anoldwomanwithabasketwaswalkinginfrontofthem.Suddenlytheoldwomanfellover

　　英语为什么过去式的句子中用现在进行时?

　　2.TodaywasSunday.LiMingandZhangHongweregoingtothelibrary.Theyweretalkingandlaughinghappily.Anoldwomanwithabasketwaswalkinginfrontofthem.Suddenlytheoldwomanfelloverandtheapplesinthebasketdroppedontheground.Theyranuptoherasquicklyastheycould.LiMinghelpedtheoldwomanstandup.ZhangHonghelpedtoputtheapplesintothebasket.Luckilytherewasnothingseriouswithher.Theydecidedtosendtheoldwomanhometogether.Theoldwomanwassothankfulthatshecouldn’tsayaword.Whatkindchildrentheywere!Weshouldlearnfromthem.