There is too much rain these days, isn’t there ? —Yes, it ___ for a week.
It was because of his illness _____ the meeting had to be put off.
The book, which ____ for children under 10, was ____ with adults readers.
--- Isn’t that Ann’s husband over there ? --- No, it _______ be him--- I’m sure he doesn’t wear glasses.
They received demands that the work ________ at once.
The police officers in our city work hard _____ the rest of us can live a safe life.