Excuse me, but can you tell me ________?
The clever boy made a hole in the wall, ________ he could see what was going on inside the building.
—What sort of house do you want to have? Something big?—Well, it _______ be big—that’s not important. But it _________ have a nice garden—that’s important for me.
—The windows are dirty.—I know. They _________ for weeks.
Do you remember the name of the company ___________?
—Is Pro. Smith giving the speech today?—It __________ be him. He is abroad right now.