_____________ leaves the room last ought to turn off the lights.

A.Anyone     B.The person  C.Whoever    D.Who

As is recorded in history, silkworms（蚕）were first raised by a woman in _________ is today Hebei Province．

A．where        B．the place       C．which           D．what

If you feel tired and sick of fat food, that is ______ you have to go to the hospital for medical examination.

A．why             B．whether           C．when                D．what

With his work completed, the businessman stepped back to his seat, feeling pleased_____ he was a man of action.

A. which             B. that             C. what                D. whether

Choosing the right dictionary depends on ______ you want to use it for.

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

I have always been honest and straightforward , and it doesn't matter_______I'm talking to.

A.Who is it             B.who it is                C.it is who             D.it is whom

2006年普通高等学校招生全国统一考试安徽卷，34） Catherine bought a postcard of the place she was visiting, addressed        to        and then posted it at the nearby post office．

A．it; her        B．it; herself     C．herself; her            D．herself; herself

With all the novels he was interested in ___, he left the library and went back to his dorm.

         A. borrowed     B. borrowing             C. to borrow    D. borrow

She didn't go to the party last night, ______ she had to finish her term paper.

     A) if         B) though             C) till                  D) because

The workmen made so much _____ that Mrs. Walker had to spend three days cleaning up afterwards.

A. trouble     B. damage      C. mess    D. nuisance