The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
It’s no use____ that you didn’t know the rules.
| A．you pretend | B．you to pretend | C．of you to pretend | D．your pretending |
. At a rough estimate（估计）, Nigeria is ____ Great Britain.
| A．three times the size as | B．the size three times of |
| C．three times the size of | D．three times as the size of |
. In face of _______ failure, it is the most important to keep up ________ good state of mind.
| A．不填; a | B．a; 不填 | C．the; 不填 | D．不填; the |
Most of the factories under___________ have been designed by Chinese engineers.
| A．control | B．construction | C．contribution | D． conclusion |
____________he came from the countryside, he became a modern architect.
| A．Although the fact that | B．Despite the fact that |
| C．Despite | D．Though the fact |