It is known to all that ____ you exercise regularly, you won’t stay healthy.
—Excuse me, would you mind answering a few questions?—Well, I don’t know.I’m in rather a hurry ________.
— Because of the rain, we’ll have to the football match.— I’m free next Sunday if you would like to play then.
—Listen! There is a knock on the door.Who _____ it be?—It must be Jack.Just now I sent for him.
—What made the applicant so anxious? —_____ he will get a job interview tomorrow.
Just like fingerprints, each person’s DNA is ________unless he has a twin.