答案：

        一. 1. is 2. Is, Is 3. are, Are 4. is, is 5. am, are

　　二. 1-5 BDBCA 6-10 CBCDC 11-15 BDABB

　　三. 1-5 BDDCA 6-10 ABDAB

　　四. (A) 1-4 CBCC

　　(B)1. To her daughter Mary.

　　2. She will be ten years old.

　　3. For the party.

　　4. At 5:30 in the afternoon

　　5. There are 20 girls the party.

　　五. 1. clubs 2. speak 3. children 4. lives 5. an

　　6. help 7. has 8. any

　　六. 1. Those are my brothers.

　　2. My backpack is under the table.

　　3. What is your phone number?

　　4. How much is this black T-shirt?

　　5. She has a blue car.

　　七. 1. Yes 2. Please 3. color 4. want 5. you

　　6. are 7. How 8. much 9. Thank 10. welcome