Why ____it get colder when we go up a mountain ?We are getting nearer to the sun !
Moreover, __________you may hardly believe, the examiners had decided in advance to fail half the students taking part in the exams.
He is believed____________ in at his office on his way home.
The boss____________ the worker how to do it, or the accident couldn't have happened.
Don't be joking. It's time to____________ your business.
It may not rain, but you had better take an umbrella__________.