11. I knew I shouldn’t accept anything from such a person, but I found it difficult to turn down his _____.

　　A. offer B. suggestion C. request D. plan

12.________it is to gather with President Bush at such a special Thanksgiving Day in Iraq!

　　A. what a fun B. what fun C. how fun D. what joy

13. Oh., John________ you gave us!

　　A. How a great surprise B. how pleasant surprise

　　C. what a pleasant surprise D. what pleasant surprise

14 He is________ as a leader but he hasn’t________ in teaching.

　　A. success; many experiences B. a success; much experience

　　C. great success; an experience D. a great success; a lot of experiences

15 —Who did you spend last weekend with?

　　—________.

　　A. Palmer’s B. The Palmers’ C. The Palmers D. The Palmer’s

16．Whose bike is it ? It’s ____________
     A. John    B. John’s     C. Johns’     D. Johns

17．I’ll give you ________to finish the work. OK.
    A. two week’s time     B. two weeks’ time     C. two week time       D. two weeks time 

18．________ desk is the cleanest in the classroom. 
   A. Ann’s and Tom     B. Ann and Tom’s      C. Ann and Tom     D. Ann’s and Tom’s
 
 【答案解析】
     11. A。表示主动提供的东西，用offer。

　　12. B。抽象名词表泛指时一般不与冠词连用。

　　13. C。抽象名词有前置或后置修饰语时，前面用不定冠词，使之具体化; 如：A. happy life / a good education in that university / a wide knowledge of nature

　　14. B。表具有某种特性、状态、特点、情感、情緒的人和事;如：She is a success in cause but a failure in marriage.(成功者、失败者)

　　15. C。表示Palmer一家人，指一家人时常用the +姓氏的复数。

      16. B

      17.B

      18.B