19、― Excuse me, _______ you help me with the heavy thing? 

― Surely I _______.

   A. must; could                      B. can; could

   C. could; can                        D. would; need

18、As these goods are of different styles, the prices _______ 100 yuan to 9 yuan.

   A. vary                                     B. come from

   C. range from                           D. differ

17、No other salesmen could know how to increase sales, but soon Tim _______ a good solution.

    A. came up with                        B. caught up with        

    C. kept up with                         D. put up with

16、In the reunion after being apart for ten years , we drank together and talked merrily _______far into the night.

     A. even          B. by         C. so            D.till

15、You will soon _______ if you continue working day and night like that.

   A. break out                        B. break down

   C. break away                     D. break off

14、The total income of the family, _______, 500 yuan a month, can never cover the living cost.

   A. for example       B. that is          C. which is            D. however

13、Long long ago, people had no idea ____ the inside of the earth might look like.

     A. what           B. that        C. how            D. why

12、My friend insisted that I have a word with the CEO of the company, _____who used to teach at the High School Attached to Hunan Normal University.

     A. one              B. the one            C. that                  D. it

11、Whenever I see him, he is _______ a happy smile.

   A. putting on   B. wearing      C. dressing            D. having on

10、As an economist, he was able to _______ some light on the problem.

   A. put        B. make        C. throw             D. bring