He was such _____ good speaker that he held our attention every minute of _____ three-hour lecture.
| A．/, the | B．a, / | C．a, the | D．a, a |
A modern city has been set up in ____ was a wasteland ten years ago.
| A．what | B．which | C．that | D．where |
To make members of a team perform better, the trainer first of all has to know their ____ and weaknesses.
| A．strengths | B．benefits | C．techniques | D．values |
In the new century, we still should _____ primary importance to the development of economy.
| A．perform | B．attack | C．seek | D．attach |
I remember _____ this used to be a quiet village.
| A．when | B．how | C．where | D．what |
—I drove to Shanghai for the 2010 Expo last week.
— Is that_____ you had a few days off?
| A．because | B．why | C．what | D．where |