You must have been there, ____________?
He used to ____his teaching when he was young.
The guard____old man to pass after he showed him the pass.
—What about _____concert?—Coco Lee’s concert? To be honest, to buy ____ticket of hers is out of the question at the moment.
This cake is very sweet. You ______ a lot of sugar in it.
—Catherine, I have cleaned the room for you.—Thanks. You _____it. I could manage it myself.