1.I didn't buy any of the books there because I found (      ) of them really interesting.

  A.no one                         B.neither

  C.none                          D.either

2.As soon as the sea begins to freeze,the animal takes precautions against (      ) under the ice.

  A.being imprisoned                B.imprisoned

  C.imprisoning                    D.to being imprisoned

3.High banks built of earth (      ) the flood waters.

  A.held off                       B.held on

  C.held up                        D.held back

4.It was unkind of you to say that you really (      ) so.

  A.mustn't do                     B.shouldn't have done

  C.needn't do                     D.mustn't have done

5.You are asking for too much.I'm afraid you have to get the work done with (      ) money and (      ) people.

  A.less,fewer                     B.much,many

  C.little,few                     D.more,more

6.If I go out tonight,I'll ask a baby ª² sitter to (      ) the baby.

  A.look out for                   B.attend to

  C.take after                     D.keep to

7.Only when you have acquired a fairly sound knowledge of grammar (      ) write accurately.