1 . 无论下雨还是晴天，比赛照常举行。
________ ________ ________ ________, the game will be held as scheduled.

2 . English is a course for anyone in university, ________ his or her major or previous educational qualifications are.

A．no matter

B．whether

C．however

D．whatever

3 . The proposal, debated at this year’s CITES Conference, lists Mako sharks under Appendix II, meaning that they can’t be traded ______ it can be shown that fishing wouldn’t threaten their chances for survival.

A．until

B．unless

C．whether

D．when

4 . She burned the letters so that her husband would never read them. （英译汉）

5 . Nothing more was heard of him, so that people thought that he was dead. （英译汉）