There were so many people in the street watching the fire that the firefighters could not get _____ to the building on fire as soon as possible.
—Who______ it be that is knocking at the door?—It ______ be Father, but I’m not sure.
The teacher will never have Tom away with in the exam.
The two sisters are ________ different in character --- one talks a lot while the other is a girl of few words.
He has been in bed ______ he fell off his bike a week ago.
The letter he had been looking forward to________at last this morning.