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(   ) 6. A little wine will not be     to your health. Just don't drink too much.

   A. helpful   B.  helpless

   C.  harmful   D.  harmless

(   ) 5. In our school library there     a number of books and the number of them        growing larger and larger.

   A. is  are   B.  has;is

   C. are  is   D.  have;are

(   ) 4. They walked home last night because they couldn't        to take a taxi.

   A. leave   B.  buy

   C.  afford   D.  allow

 3. —The classroom is so bright now. You should        the lights.

       —OK,I will.

   A. turn on   B.  turn up

   C.  turn down   D. turn off

(   ) 2. Not only his parents but also he        been to the United States.

   A.have   B.  are

     C. is   D. has

   A. with   B.  of

   C.  on   D.  in

10.I am against       (build) a new zoo in our city.

9.The tiger       (keep) in a tiny cage and can't move.

8.Don't worry about them. We're trying        (help) them out.

7.Robots help        (look) for the people under the buildings.