这篇英语短文有十处错误,请帮我找出来并改正.Mr.Smithworriedaboutthemissedshirtsallevening.Hetiredtorememberexactwhathehaddoneforthetimeheleftthestoreuntilthetimehegothome.Herememberedwhetherhehadlooke

　　这篇英语短文有十处错误,请帮我找出来并改正.

　　Mr.Smithworriedaboutthemissedshirtsallevening.Hetiredtorememberexactwhathehaddoneforthetimeheleftthestoreuntilthetimehegothome.Herememberedwhetherhehadlookedattheshirtswhilehewaseatinglunch.Sohemusthavethemwhenheleftthestore.Herememberedwhenshowingthemtoafriendonthebus.Sohehadtheshirtsthen.Hewentdirectlyfromthebustohishouse,andhemusthaveforgottenthemonthebus.Hewasinhurrytogetoffandforgottocheckthepackageslayonthefloor.Heshouidbemorecarefulnexttime.