1 . 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

2 . 无论遇到任何苦难，我们都不能半途而废。（no matter）(汉译英)

3 . Laughing helps your body stay healthy and can even help you fight pain. Maybe this explains the long lives of men like Bob Hope and Gee Burns.________ the reason, research shows that in the end, the English saying,”laughter is the best medicine” may be true after all. (用适当的词填空)