The young man has got great ______ and will surely become successful in the near future.
(2012湖南) ____ I always felt I would pass the exam, I never thought I would get an A. A. While B. Once C. If D. Until
____ hard you try, it is difficult to lose weight without cutting down the amount you eat.
(2012江苏卷)One's life has value one brings value to the life of others.
I think Tom, as the head of a big department, should either study regularly or ________ his job.
Mike was usually so careful, ________ this time he made a small mistake.