1. Both of my parents are teachers. (改为否定句) 
    ________ of my parents ________ a teacher.
2. He borrowed the book a week ago. (改为同义句)
    He has ________ the book ________ a week ago.
3. I have ever been to an aquarium. ( 改为一般疑问句) 
    ________ you ever ________ to an aquarium?
4. The boy has few friends here. (改为反意疑问句)
    The boy has few friends here, ________ ________?
5. The population of Beijing is 2,500,000. ( 对画线部分线提问)
    ________ ________ the population of Beijing?
6. He has been a football player for five years. (改为同义句)
    ________ five years ________ he became a football player.
7. Could you please turn down the music? (改为同义句)
    Would you ________ ________ down the music?
8. The woman teacher asked the students, "Can you understand what I am saying?" (改为间接引语)
    The woman teacher asked the students ________ ________ could understand what she was saying.