The detective, ________ to be reading a newspaper, glanced at the man seated next to a woman.[ ]

After a few days together, they got to the point _______ they could read each other’s thought.

Tom studies harder this term. _________, he has made great progress in his lessons.

Mr. Black ________his keys in the office，so he had to wait until his wife ________ home.

You’ll have to use the stairs. I’m afraid the lift is out of ______ .