（1）Lydia’s telephone number is 442-697. （2）David’s computer game is lost.
（3）Liza’s backpack is in the lost and found case. （4）Ely’s ID card is lost.
（5）529903 is Ely’s phone number.
IX. 书面表达
假如你是David，你的电话是32356824。你的字典丢失了，请写一则寻物启事。
【试题答案】
I. 1. D 2. A 3. C 4. E
II. 1. is, is 2. am, is 3. is, is 4. are, am 5. is, is 6. is, is 7. am, am 8. is, is 9. is, is 10. are, is
III. 1. English, backpack, spell 2. baseball 3. dictionary 4. notebook 5. watch 6. computer game 7. key
IV. 1. B 2. B 3. D 4. A 6. C 7. D 8. C 9. D 11. B 12. A 13. B 14. C 16. C 17. C 18. B 19. D 21. D
V. 1. Is that a school? 2. Is it a ruler?
3. What is this in English? 4. Isn’t it his dictionary? 5. How do you spell game?
VI. 1. A 2. A 3. C 4. B
VII. 1. Is he Mr. Black? yes, he is. 2. Are you in Grade 1? No, I am not. 3. Are you workers? No, we aren’t. 4. Is this your book? Yes, it is.
5. Is that an English dictionary? No, it isn’t.
VIII. 解析：以found与lost为依托，综合训练本单元的重点句型。 （1）F。（由call Lydia at 224-3638可知） （2）T。（由文首的lost可知）
（3）F。（由liza询问Mitchell的语气可知） （4）F。（由文首的Found可知） （5）T。（由call Ely at 529903可知）
IX. 略
5. B
5. D 10. A 15. B 20. B
5. B