按要求改写句子。
1. It is a toy bear.(改为一般疑问句)
________ ________ a toy bear?
2. Is it an apple?(作否定回答)
No, ________ ________.
3. It’s an elephant.(对画线部分提问)
________ is it?
4. They are blind.(改为一般疑问句)
________ ________ blind?
5. It’s hard.(对画线部分提问)
How ________ it ________?