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

It was not until the 1960s and 1970s             archaeologists made real progress in understanding the script.

A. when             B. which                C. how              D. that

The couple are at the same age, but            , the husband looks much older than his wife.

A. in addition          B. in reality           C. in contrast          D. in detail

After so many hardships, the scientist             his motherland at last.

A. set on his foot      B. set foot on          C. set feet on          D. set his feet on

Sarah pretended to be cheerful,            nothing about the argument.

A. says             B. said             C. to say               D. saying

Some forms of algae have             to growing on ice.

A. adopt                B. adapt                C. advocate         D. addict

Antarctica holds 90% of the world’s ice, and most of its fresh water (70%) is in a frozen          .

A. state                B. condition            C. situation            D. solution

She has             a lot of things, so she knows exactly how to deal with such a person.

A. gone through     B. gone on          C. gone by          D. gone into

Parts of the cave have been badly affected by rain and            to the air.

A. express          B. excavate         C. exposure         D. expand

By the time Jack returned home from England, his son            from college.

  A. graduated          B. has graduated     C. had been        D. had graduated