30．The secret of her success may         the fact that she knows when to study and when

      to play．

    A．result in    B．1ie．in    C．fill in  D．take in

  29．一Mr．Wang，may I join the relay race?

  一No problem．I’11         you and Dan in the race．

  A．0rder    B．adjust    C．place D．enter   

 28．Martin Van Buren was the eighth President of the United States and the first        

    native language was not English but Dutch．

    A．that    B．whose    C．which D．where

 27．It was when searching for the lost book whose cover was missing         a secret letter

     addressed to his mother．

    A．did he find    B．until he found  C．that he found D．had he found

 26． With  no  central  government，the  island  was  ruled  by  kings，         a different  region of the country．

    A．each controlling    B．each controlled

    C．each to control     D．each was controlling

 25．Barack Obama’s victory is a historic victory and          that promised change and

    overcame centuries of prejudice。

    A．0ne    B．it    C．the one   D．that

 24．The man moved         forward and looked over the edge，shrinking his shoulders．

    A. accuratelv    B．cautiously    C．brilliantly D．disappointedly

23． MacDonald who had spent much of his time         graduating from college back―    packing round Europe，decided last year to settle down．

    A．when    B．while    C．since     D．before

22．一Come to my home and enjoy the NBA basketball match?

         ．Yao Ming is always my favorite star．

A．I couldn’t agree more      B．I’m afraid not

    C．It doesn't matter          D．It’s a piece of cake

21．If vou come         second in the race，you’11 get――qualification to compete for the next round．

A．／：a    B．the；a    C．a；the D．／；the