改错:1.Thereissomerubbishonthefloor.Couldyoupickupit,please?___.
改错:
1.Thereissomerubbishonthefloor.Couldyoupickupit,please?___.
2.CouldIgotovisitMrLi?No,youcouldn't.Youmustfinishyourhomeworkfirst.____.
3.Theschoolprovidedthestudentsforfoodandwater.____
4.Weshouldkeepourclassroomcleaning.___
5.Theyarebothclever,butneitherofthemknowtheanswertothequestion.____