What did you look for me for, Mary? — The boss wondered where you ___________ and how long you __________ there.

The light blue jeans look cool. Could I ______?

Are you going to see the film tomorrow?－I have no idea. If you don’t, ______.

Our government ______ all people to save energy and fight against pollution.

_______he was laid off last year ______ how serious the economic crisis was.