It is my ______to check that all doors and windows are locked after everybody leaves .
As ____ changed, and whatever men can do, women can do, too.
----- You should have finished your homework, I gave your much time. ----- Sorry, but I_____ it.
Proper exercise is good for your health._____, too much is bad for it.
---- We’d better hurry;we have no time left. ----- ______ Do you really to see the boring film?
He can’t______ what has happened to the wheat, for it was very dried this winter.