Class regulations state _____ is the last to leave the classroom _____ off all the lights.

______ that the way people spend their holidays has changed a great deal in the past ten years.

--Della likes dancing, but doesn't like swimming.. ----_____.

--- Have you finished the book? --- No, I’ve read up to _______ the children discover the secret cave.

--- “I’ve never eaten a hamburger.”--- “_________ have I.”