句型转换：根据要求转换下列各句，每空一词。
1. To be careful with fire is important. (改为同义句)
It is _____ _____ be careful with fire.
2. It's very cold outside. (改为感叹句)
_____ _____ it is outside!
3. Yao Ming does well in playing basketball. (改为同义句)
Yao Ming is _____ _____ playing basketball.
4. The fire burned that house last night. (对划线部分提问)
_____ did the fire _____ that house?
5. My sister could draw when she was young. (改为同义句)
My sister was _____ _____ draw when she was young
