题目内容：

A man has returned three library books to a Melbourne library—21 years overdue（误期）.The books were returned to Sam Merrifield Library with a (n)__ 21___note and a $50 bill.

    ___ 22___Margaret Young was pleased that the books had been returned. They were in excellent___23__ , except for the one that the borrower admitted had been damaged by a___24___.

“They’re all spy books. We were just surprised and___25 ___that he has returned the books, ___26 ___after so many years,” Mrs. Young said.

    The books were__ 27__on June 18, 1985 and would have to be paid almost $5,800 in overdue

__28__. But, because of the sweet letter and $50 note, Mrs. Young said all was__29__.

 She said, “We thank him for returning the books and hope his conscience（良心）is __ 30 _. I’d like to think he can come back into the library one day to borrow more material__31__he returns it.”

To whom it may concern,

    About 20 years ago I__32 __to return the three books to your library. In fact I__33__them.During that time, one of the books was damaged by my dog. I have enclosed all three books and a sum of money that will go some way toward __34__the damaged book.

My __35__were unforgivable; a thief is a thief. Please __ 36__my apology for stealing the books and for not having the courage to return them__37__.

   I want you to know that for the last few years this theft has__38__my conscience and I am sorry I was so selfish to steal them in the first__39__. I hope this goes some small way to__40 __my actions. 

1.A. explanation  B. apology          C. thank            D. payment

2.A. Secretary    B. Borrower         C. Lender           D. Librarian

3.A. condition    B. situation            C. state            D. position

4.A. cat          B. thief                C. dog         D. spy

5.A. regretful     B. lucky                C. thankful     D. sorry

6.A. specially     B. shortly              C. especially       D. simply

7.A. over         B. good             C. due          D. away

8.A. fines        B. money                C. rewards      D. payment

9.A. paid         B. punished         C. returned     D. forgiven

10.A. eased           B. calmed          C. killed           D. lost

11.A. even if     B. as long as           C. as though        D. because

12.A. planned     B. failed               C. meant            D. promised

13.A. borrowed    B lent              C. stole            D. kept

14.A. replacing       B. cleaning         C. replying     D. recreating

15.A. habits      B. manners          C. ways             D. actions

16.A. receive     B. refuse               C. blame           D. accept

17.A. sooner      B. later                C. more         D. worse

18.A. affected     B. felt             C. bothered     D. disappointed

19.A. place           B. time            C. chance       D. thing

20.A. look up for B. make up for          C. come up for     D. take up for