We do a big cleaning once a week to keep our classroom____.A
We do a big cleaning once a week to keep our classroom____.A
We must keep our country_______. A.cleaning B.clean C.to cle
_______ our classroom once a week is necessary A.Cleaning B.
变为被动语态:We wash our clothes once a week.
The room needs cleaning once a week和The room needs to be cle
we should Keep our classroom ---A.cleaned B.clean C.cleaning
street cleaners help keep our city__.a,clean b,cleaning c,to
We must do a lot of work to keep our environment clean and t
Must wu do shomthing to keep our city clean?_______ a.yes we
We usually go skateboarding once a week
( ) do you go shopping a week ---once
how often do you go to a movie?(one time.one .once a week.a