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I wanted nothing but _____,_____ I stayed up all the night.

      A. sleep; for         B. sleep; so           C. to sleep; so     D. to sleep; for

The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
   A. acquainted       B. informed             C. known      D. advised

 Do tell me the way you think of_____ the problem as soon as possible.

     A. to solve         B. solving              C. solve         D. being solved

------ I ‘m going to join them in the play.

------- ______.

A. Have a pleasure  B. That’s a very nice of youＣ. Have fun    D. Have a fun

With the change of the economic foundation the entire immense superstructure is _____ rapidly transformed.
A. anything but       B. more or less         C. at large         D. any more

These desks and chairs can be ___ to the height of any child.

   A. adjusted           B. adapted              C. fit            D.adopted

 I really don’t know for certain____ they discussed. this important event very secretly.

   A. where was it that    B. where it was that      C. where that    D. it was where that

_____ you keep on working hard, I don’t mind whether you get  good marks in your class.

   A. As long as         B. As soon as           C. As well as      D. as far as

-----If I wasn’t busy., I could have been back by 5:30 o’clock.

   ----- What a pity! She____ here to see you.

   A. is                B. was                 C. had been         D. has been

They are determined to work out the task, ____difficult it is.

   A. however           B.no matter what       C.no matter what    D.whatever