22. Safety glasses are used ________ protecting your eyes.

A. from                B. by                    C. to                            D. for

  21. ―Which classmate is the best friend of ________?

―I think Helen is.

A. you                  B. your                 C. yours                D. yourself

  20. Who doesn’t go to school in Mr. Smith’s family?

A. His youngest daughter and his eldest son.

B. His youngest daughter.

C. All of his children.

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

  19. Why doesn’t Mrs. Smith’s eldest son live with his parents?

A. Because his school is too far away from the town.

B. Because he is a teacher in a village.

C. Because he doesn’t like his parents.

A. 5.                            B. 7.                                   C. 6.

  18. How many people are there in Mr. Brown’s family?

  17. Who is Mr. Brown?

A. Mr. Smith’s father.                 B. Mr. Smith’s wife’s father.       

C. Mr. and Mrs. Smith’s eldest（岁数最大的）son.

  16. How is Dave Smith?

A. Very old.                               B. Very well.                              C. Badly ill.

  15. A. There will be more pollution（污染）.

B. There will be no pollution.

C. There will be less pollution.

IV. 听短文选择正确答案。（每小题1分，共5分）

  14. A. History and geography.         B. Maths.                                          C. Science and art.