句型转换 。按要求改写下列句子，每空填一个英语单词。
1. Paul did his homework yesterday evening. （改为否定句）
Paul ______ ______ his homework yesterday evening.
2. It’s raining very heavily. (改为感叹句)
______ ______ it is raining!
3. Lucy asked him to turn down the radio. (对划线部分提问)
______ ______ Lucy ask him to do?
4. They will be back in two weeks. (就划线部分提问)
______ ______ will they be back?
5. The box is too heavy for him to carry. (改为同义句)
The box isn’t ______ ______ for him to carry.