Not until Mary reads her composition the second time ___________the spelling mistake.

   A.did she notice    B.she noticed      C.does she notice    D.she has noticed

I woke up with ____________headache,yet by __________evening the pain had gone.

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

18.The newcomer went to the library the other day in search of ____________he could find about

   Mark Twin.

   A.wherever        B.whatever        C.whoever          D.however

New technologies have made __________easier to enjoy life than ever before.

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

With so much noise of the traffic, I couldn`t __________and do my research work.

  A. put down          B. settle down       C.break down       D.take down

21.When he woke up,he found himself _________in bed and ________by some  children.

A.laying;surrounded   B.laid;surrounding  C.lying;surrounded   C.lied;surrounded

21.If you let pressure benefit ___________upset you, much more can be accomplished than you

  thought possible.

   A.more than           B.rather than         C.other than         D.less than

There was a __________look on her face because a________ problem _________the little girl.

  A. puzzled; puzzled; puzzled         B. puzzling; puzzling; puzzled

  C. puzzled; puzzling; puzzled         D. puzzling; puzzled; puzzling

The top leaders of the two countries are holding talks in a friendly ______________.

   A.atmosphere       B.sate             C.situation           D.phenomenon

._______________ you have finished your work,you might as well relax yourself now.

   A.Now that         B.After            C.Although          D.As soon as