句型转换。
1. She put the camera on the bed just now. (改为被动语态)
The camera _____ _____ on the bed by her just now.
2. My uncle sent me a Christmas present last year. (改为被动语态)
A Christmas present _____ _____ to me by my uncle last year.
3. Students can't take magazines out of the reading-room. (改为被动语态)
Magazines can't _____ _____ out of the reading-room by students.
4. The glass was broken by Tom. (对画线部分提问)
_____ _____ the glass _____ _____?
