Each member country WTO must ___________ its laws and regulations and compete on the principle of fairness and cooperation.
| A．submit to | B．cater to | C．correspond to | D． relate to |
Not unti his fellows criticized him _______ to admit his mistake.
| A．does he begin | B．did he begin | C．began he | D．had he begun |
After taking part in several rounds of competition, the athlete won first prize.
| A．eventually | B．occasionally | C．frequently | D．usually |
He is in deep sorrow, so it is not a(n) time to mention the subject.
| A．evident | B．typical | C．appropriate | D．wonderful |
He bought his girlfriend diamond ring, but he was told that diamond in that ring was an imitation glass.
| A．a; the | B．a; / | C．the; a | D．/; the |
— Doctor, I feel so nervous.
— . It’s just a small operation.
| A．No way | B．Take it easy | C．That’s right | D．All the best |