polluting to keep the water____A.cleaning B.cleaned C.to cle
polluting to keep the water____A.cleaning B.cleaned C.to cle
keep the house__ A,cleaning B,to clean C,cleaned
We must keep our country_______. A.cleaning B.clean C.to cle
The room is very dirty today.It's hard——.A.cleaning B.to cle
we should make the classroom___every day.A.cleaning B.to cle
we should Keep our classroom ---A.cleaned B.clean C.cleaning
The classroom needs____.(A) clean (B) cleaned (C) to clean (
The room needs cleaning once a week和The room needs to be cle
It's hard to keep the house__with three kid.A cleaning B to
you must keep your classroom A.clean B.cleaning C.to clean D
street cleaners help keep our city__.a,clean b,cleaning c,to
you'd better ( ) the room today.A.to clean B.cleaning C.to c