_________ many times, he finally understood it.
| A．Told | B．Telling | C．Having told | D．Having been told |
However busy we are, we need to take exercise. Not only___________us keep healthy, it also stops us getting fat.
| A．it helps | B．helps it | C．it does help | D．does it help |
．I’m thinking the job interview tomorrow and I would appreciate_________very much if you could give me some advice.
| A．you | B．that | C．it | D．this |
．—What do you think made hi m so excited?
—_________a scholarship to Harvard, I suppose.
| A．He has won | B．Winning |
| C．Because of winning | D．Because he has won |
He is _________to staying up late and getting up late.
| A．accustomed | B．applied | C．adjusted | D．adapted |
None of us was good at swimming, so the crossing of this dangerous river was really a_________.
| A．motivation | B．symptom | C．conflict | D．challenge |