句型转换。
1. I think the most helpful invention is the light bulb. (对画线部分提问)
______ do you think______the most helpful invention?
2. I'd like to have a radio. (改为一般疑问句)
______you______ to have a radio?
3. He wants to have a computer because he likes playing games.(对画线部分提问)
______ ______he______ to have a computer?
4. We must repair the computer now. (改为被动语态)
The computer______ ______ ______now.
5. I often hear her sing in the next room. (改为被动语态)
She______ often______ ______sing in the next room.