13. We spent a pleasant hour or two talking with our friends.(改為同義句) 

It        us a pleasant hour or two              with our friends.

12. Please tell us when we should leave.(改為簡單句)

 Please tell us              leave.

11. They have to know how they can make money.(改為簡單句) 

They have to know              make money.

(   ) 6. ―        do you feel about pollution?

―Angry. We must do something to protect our environment.

   A. What   B. How   C. Why   D. Where

(   ) 7. I'm sorry to keep you        so long.

   A. waiting   B. to wait   C. wait   D. waited

(   ) 8. Our music teacher        me dance to the music.

   A. asked   B. made   C. told   D. wanted

(   ) 9. It is        sad that it made us cry.

   A. so   B. too   C. very   D. such

(   ) 10. I'd rather        TV at home than        to the cinema.

   A. to watch;go   B. watching; to go

   C. watch; go   D. to watch; to go

1. 淺藍色         

2. 花更多的時間吃飯         

3. 從科學研究中學到很多東西         

4. 瀕臨滅絕的動物         

5. 為很多人服務         

 15. makes; people; spring; happy

 14. red; most;makes; of; people; energetic; feel

13. why; you; buy; don't; her; as; a camera;a; birthday; present

12. enough;she; her; old; to; make; own; decision; is 

11. it's; to; feel;make;comfortable;your grandma;important