I’d appreciate ____ if you would like to teach me how to use the computer.
—Who______ it be that is knocking at the door?—It ______ be Father, but I’m not sure.
The reason for his success is ______ he worked very hard.
-How do you like our restaurant? -I can’t find a ________one.
The manager meant _______the workers that being 5 minutes late meant____ the company.
His illness ________ his absence.