I shall never beat John at tennis; we are clearly not in the same _____.
| A．set | B．band | C．group | D．class |
After ______ seemed an endless wait, it was her turn to enter the personnel manager's office．
| A．that | B．how | C．what | D．why |
As soon as the manager entered his office, he began to ______ the telephone book on his desk.
| A．look up | B．look into | C．look upon | D．look through |
----Don’t look down upon Bob. He has his own advantages.
----Oh, yes. ______ others are weak, he is strong.
| A．If | B．Where | C．When | D．Though |
Yesterday, Jane walked away from the discussion. Otherwise, she ______something she would regret later.
| A．had said | B．said | C．might say | D．might have said |
----Would you mind if I turned off the air conditioner?
----______. It makes no difference to me.
| A．Never mind | B．Not at all | C．Sure, go ahead | D．Why not? |