Donald was not very good at maths. He could not understand the teacher’s   16  . Even when the teacher explained something again, Donald still could not   17  it. “Never mind,” Donald told himself. “I’m quite good at other  18  . I cheat（作弊） in the maths exam, then I won’t be in   19  .”

“My deskmate Brian Smith is best at maths,” he thought, “and I’ll be able to   20   his answers.”

The day of the exam came, and Donald sat   21   Brian Smith, who always sat at the top of the   22  . Donald carefully copied Brian's answers onto his own exam paper. At the end of the exam, the teacher   23   the papers and graded（评分）them.

Then she said, “Well, boys and girls, I’ve decided to give a   24   to the student who got the highest grade. It’s   25   for me to decide whom I will choose, however, because two students, Donald and Brian, got the   26   grade.”

“Let them share it.” one of the   27   said.

“I’ve thought about that,” the teacher said, “but I've chosen Brian.”

Donald was   28   when he heard this. He stood up and said, “That’s not fair.”

“That’s   29  ,” the teacher said. “However, Brian’s answer to Question 18 was ‘I don’t know.’ Yours was ‘  30   do I.’”

16. A. examination            B. explanation        C. decision            D. spelling

17. A. understand             B. know                      C. hear                 D. listen to

18. A. sports                    B. ways                C. subjects           D. kinds

19. A. surprise                 B. hurry                C. tears             D. trouble

20. A. write down            B. copy                C. put on              D. look for

21. A. next to                   B. in front of         C. behind              D. far from

22. A. group                    B. row                  C. family              D. class

23. A. threw                    B. hid                   C. collected        D. sold

24. A. job                    B. worry             C. beat                 D. prize

25. A. difficult             B. impossible          C. possible            D. easy

26. A. different            B. same                  C. strange             D. interesting

27. A. teachers             B. players               C. students           D. assistants

28. A. angry                B. excited               C. sad                  D. happy

29. A. clever                B. rough                 C. true                  D. wrong

30. A. Either                B. Neither               C. Any                  D. So

－Excuse me, can you tell me the answer to this question?

－Sorry, I can not do it now. I have to ______ about it.

A. talk         B. think          C. write         D. worry

The doctor handed me my medicine and said sorry to me because his register (收银机) had already closed. He asked if I would mind using the register at the front of the store. I told him not to worry and walked up front. One person was in line ahead of me, a little girl no more than seven with a bottle of medicine on the counter (柜台). She held a little green and white coin purse closely to her chest (胸口).

The purse reminded me of the days when, as a child, I liked dressing myself up in my grandma’s clothes. One day, wearing her large clothes and hat, I went out to buy something. I gave a fake(假的) dollar to the shop owner, but he handed back some real coins for my purse. “Keep the change!” he told me with a smile.

Now, with both hands shaking, the little girl pulled out a dollar bill and some coins for her medicine. As she tried to count her money, I could see right away that she was about a dollar short. Quickly, I put a dollar bill onto the counter. The child collected her change into her coin purse and ran out.

As I walked to my car, I felt a tug(用力拉) on my shirt. There was the girl, looking up at me with her big brown eyes. She gave me a smile, and put out her little hand. It was full of coins. “Thank you,” she said.

“That’s OK,” I answered, smiling. “Just keep the change!”

76.　The doctor said sorry to the writer because ____.

A. his register had broken down　 B. his register had closed

C. he was busy D. he had used up his medicine

77. Which of the following statements about the little girl is Not true according to the passage?

A. She was careful. B. She didn’t have enough money for the medicine.

C. She was kind.　 D. She returned the dollar to the writer.

78. The writer helped the girl because _____.

A. the girl had no money　 B. the girl wanted to use some fake money

C. the girl made the writer think of her own childhood　 D. the writer was very rich

79. What does the underlined word “short” mean?

A.矮的 B.短的　 C.不足的 D.短缺的

80. The writer told the girl to keep the change because ____.

A. the writer didn’t need it　　 B. the writer wanted to pass on love

C. the writer was in a hurry　　 D. the writer didn’t like coins

Kitty is telling Daniel about her new computer at lunchtime. Complete their conversation with the correct tenses of the passive voice.