---You’re going to collect money for the drought areas in southwestern China?

   ---______. We should try our best to give them a hand.

    A. No, I am not                         B. No, I was just joking

    C. Yes, I do                                D. Yes, I have never been more serious

 It is known to all that a proper amount of exercise ______ to good health.

   A. benefits              B. contributes          C. values               D. improves

 We offered them a lot of valuable information about farming ______ their help with our industry.

   A. thanks to         B. in return for            C. in turn              D. in honor of

 Whatever he promises, you can’t ______ anything.

    A. rely his doing                           B. depend his doing

    C. depend on him to do                      D. advise him to do

 Our city has developed into a big city, which is ______ it used to be.

    A. four times larger than that                  B. four times the size of what

    C. four times the size larger than what         D. as four times the size as that

 In my view, the best friend is one with whom ______ your sorrow and joy.

    A. sharing          B. to spend         C. spending             D. to share

 The boy the teacher considered ______ was caught ______ in the exam, which surprised us very much.

    A. to be the best; cheating                 B. as the best student; to cheat

    C. being the best; cheating                 D. as a good student; to cheat

 ______ all our efforts, we still lost the game.

    A. Despite          B. As if                C. Even if          D. Though

 The salesman said the car was in good condition, and I was foolish enough to ______ it. 

    A. take for         B. make way for     C. fall for             D. fall into

 They are just college graduates and don’t realize what ______ takes to start and run a company.

A. this                 B. he              C. that            D. it