Keys:

I. 1-5 CBCBA 6-10 BCABB 11-15 CACBA 16-20 ABACC

II. 1-5 ACCDC 6-10 CCBAB

III. HAEJBFCIDG

IV. An eraser; Excuse me; play baseball; lost and found; computer game; 她的尺子；他的字典；我爸爸的车；托尼的姓氏；在铅笔盒里

V. 1. Please 2. school 3. watch 4. Look 5. dictionary 6. lost 7. spell 8. English 9. at 10. keys

VI. 1. Excuse; notebook 2. Mary's school 3. call; at 4. What; eraser 5. lost; found

VII. your; Nice; Thank; Excuse; her

VIII. 1. What is your family name?

2. Excuse me. May I know your telephone number?

3. She has three English books.

4. Jim and I are good friends.

5. How do you spell your first name?

IX. 1. Han Shu 2. Two 3. One 4. Three 5. Four 6. 430034 7. 87654321 8. 45 9. No. 126 Zhongshan Road 10. No. 3 Middle School

X. Found: a notebook

My name is Kelsey.

Please call me at 0573-725881

Lost: an English dictionary

My name is David.

Telephone # 5296432.