按要求完成句子,每空一词。
1. This is a pen. (对划线部分提问)
______________?
2. I'm fine. (对划线部分提问)
_____ _____ _____ ?
3. Bob is fine. (改为同义句)
Bob is _____.
4. book, an. this, English, is (连词成句)
_____________________.
5. is, color, what, that (连词成句)
_______________________?