Either you or one of your students _______to attend the meeting that will be held tomorrow.
With all his money, he _____worry about a little thing like 5 cents!
_____we move the couch over there? Don’t you think the room will look larger?
—Who do you guess I am?—Sorry, your name _____my mind.
Stand over there _____you’ll be able to see it better.
Please refer to the before you switch on the engine.