He _____ his potential had it not been for his desire to meet new challenges.
| A．would never have realized | B．would never realize |
| C．never realized | D．had never realized |
------You went to the“Bird’s Nest”last month, didn’t you？
------Yes. That was the second time I ________ to Beijing National Stadium.
| A．have been | B．were |
| C．had been | D．would be |
It was ________ that we tried to make him change his mind.
| A．paid off | B．in vain |
| C．took off | D．in effect |
When asked how to be a good manager in the interview, the ________ described good personal characteristics as the necessity to manage a group and get a job well done.
| A．applicant | B．clerk |
| C．employee | D．bachelor |
Rather than carry out the project by itself, the company planned to _________ with other potential cooperators.
| A．catch up | B．come up |
| C．keep up | D．team up |
To everyone’s surprise, the student should have been praised for putting forward an idea which_________ their teacher’s.
| A．contradicted | B．concerned |
| C．competed | D．confused |