The poor man, ________，ran out of the dark cave.

       A. tiring and frightened               B. tired and frightened

C. tired and frightening             D. tiring and frightening

 If you _______this university，you’ll have to pay as much as five thousand dollars a year..

A. apply for        B. applied to          C. applied for         D. apply to

 At first, his teacher couldn’t realize that Lang Lang had a _______ for music though he wanted to learn the piano so much.

A. knowledge       B. present           C. gift               D. patience

 A driver should           __ the road when            .

  A. concentrate on; drive           B. concentrate in; driving

  C. concentrate to; drove           D. concentrate on; driving

 Her composition was so confusing that I could hardly make any _______ of it.

A. meaning          B. message          C. excuse            D. sense

When first      to the market, these products enjoyed great success

A.introducing      B.introduced               C.introduce        D.being introduced

Not until he failed the exam，______ he ______ he wasted too much time playing.

A. do; realize         B. did; realize      C. has; realize        D. /; realized

 They demand that the library ______ open during the vacation.

   A. must be kept       B. is kept           C. would be kept    D. be kept

 I can’t stand ___ with Jane in the office. She just refuses ___ talking while she works.

   A. working; stopping   B. to work; stopping  C. working; to stop  D. to work; to stop

 Every minute is made full use of ___ our lessons.

   A. to study           B. studying       C. studied             D. study