四、选择合适的句子补全对话。
Mary: Excuse me, Ben. 1. ________
Ben: I want to be an astronaut.
Mary: Why?
Ben: 2. ________
Mary: You have a great dream.
Ben: 3. ________
Mary: I want to be a doctor.
4. ________
Ben: Great! 5. ________ 
Mary: Really? I hope our dreams can come true.
A. I want to help sick people.
B. My sister wants to be a doctor, too.
C. Because I want to walk on the Moon.
D. What do you want to be in the future?
E. What about you, Mary?

四、1. D 2. C 3. E 4. A 5. B

五、[思维拓展] 完形填空。
What do you want to be 1 ________ the future? Everyone in our class 2 ________ his or her own dream. Jim wants to be a lawyer (律师). He wants to be 3 ________. He thinks lawyers can earn (挣得) a lot of money. Bob always helps others, so Li Ming thinks he will be 4 ________. He can help sick people. But Bob wants to be a movie star because he likes 5 ________. Many students want to be teachers because they love children.
Last night, I had a dream. In the dream I 6 ________ forty years old. I was sick in hospital. A lot of my classmates came to see me in the 7 ________. Jim was a lawyer. He was very rich. Bob became a famous 8 ________. He acted a lot of movie roles. Krista became a doctor. She wore long, 9 ________ clothes. She was helping the sick people. I dreamed of many other people. It was an 10 ________ dream.
(　　　) 1. A. on B. in C. at
(　　　) 2. A. having B. have C. has
(　　　) 3. A. rich B. poor C. happy
(　　　) 4. A. a teacher B. a writer C. a doctor
(　　　) 5. A. watching films B. playing football C. writing stories
(　　　) 6. A. were B. was C. is
(　　　) 7. A. school B. library C. hospital
(　　　) 8. A. actor B. basketball player C. teacher
(　　　) 9. A. black B. yellow C. white
(　　　) 10. A. magic B. interesting C. good

五、1. B 2. C 3. A 4. C 5. A
6. B 7. C 8. A 9. C 10. B