1. I have read the other Harry Potter books already. (改为否定句)?
    I ______ the other Harry Potter books.
2. He has worked in this company for five years.?
   ______ ______has he worked in this company? (就画线部分提问)
3.They have traveled  around the world. (改成一般疑问句)?
   ______they______around the world?
4. Have you entered a competition? (作出否定回答)?
    No.I______.
5. She has played concerts all over the country.(改成一般疑问句)?
    ______she______concerts all over the world?