请说明为什么谢谢We____(clean)theroombeforeyoucame.It'stoolate.Ihaveto____(go)immediately.Whenwe____(arrive)thestation,thetrain___(leave).MustI_____(finish)myhomeworkfirst?ThesearesomephotographsthatI____(take)lastmo
请说明为什么谢谢
We____(clean)theroombeforeyoucame.
It'stoolate.Ihaveto____(go)immediately.
Whenwe____(arrive)thestation,thetrain___(leave).
MustI_____(finish)myhomeworkfirst?
ThesearesomephotographsthatI____(take)lastmonth.
Bytheendoflastweek,I____(read)threebooks.
Thefirlwhowe____(see)justnowismyclassmate.
Bob____(go)toschoolyesterday,becausehewasill.