单词拼写。

根据下列句子所给汉语意思，写出空缺处各单词的正确形式。

1. In the city, the water pipes in some buildings cracked and b____.

2. Anyone providing information which leads to the recovery of the painting will be r_____.

3. Sixty percent of voters said they would _______(自愿) pay higher taxes for better health care.

4. These exercises are _______(设计) to strengthen muscles(肌肉).

5. He has been _______(宣判) to pay a fine of 1000.