(  )21. — The 16th Asian Games in Guangzhou was ________ great success.

      — Yes. It’s ________ most successful in history, I think.

         A. a; a                   B. the; the                        C. a; the                                D. the; a

(  )22. — Is there a train to Wuhan on Tuesday afternoon?

      — To Wuhan? Wait a minute. Let me _________ it on the computer.

         A. look                     B. repair                                C. check                          D. list