根据括号中的要求改写下列句子。
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?
