1. My father likes to watch basketball matches on TV. (改为否定句)
    My father _______ _______ to watch basketball matches on TV.
2. I collect toys because they are beautiful. (对划线部分提问)
    _______ _______ you collect toys?
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. Mike is 14 years old. David is 12 years old. (合并为一句)
    Mike is 2 years _______ ________ David.
5. Alice didn't know how she could draw horses well. (改为同义句)
     Alice didn't know how ________ _______ horses well.
6. I wondered what I should do next. (改为同义句)
     I wondered what _______ ________ next.