I was reading a novel_____ he was watchingTV.
Be sure to go to the concert with me, _____?
_____ has already been pointed out, grammar is not a set of dead rules.
.---There is a lot of smoke coming out of the teaching building.---Really? It _____be a fire, most probably.
–Did you find your new dictionary?---Yes. I found it ____I had left it.
–Will you ______me ____out this problem myself?---OK.