That Xiao Shenyang was elected _____model worker of May Day caused ____enthusiastic discussion in China．
| A．the, the | B．a, an | C．the, a | D．a, the |
（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.
| A．However | B．Whatever | C．Whichever | D．Whenever |
（2012江苏卷）One's life has value one brings value to the life of others.
| A．so that | B．no matter how | C．as long as | D．except that |
I think Tom, as the head of a big department, should either study regularly or ________ his job.
| A．quits | B．to quit | C．quitting | D．quit |
Mike was usually so careful, ________ this time he made a small mistake.
| A．yet | B．still | C．even | D．thus |