根据句意，补全单词。

1.  It's important to______ a healthy lifestyle.

2.  Exercising helps teenagers to______ healthy,

3.  I'd never allow my children to______ like that.

4.  They know it is never too______ to change bad habits.

5.  Wang Le wants to do things that most teenagers______.

根据外汇管理法律制度的有关规定，债务人逾期未履行偿债义务超过5年，确实不能收回的外汇资金，可以作为外汇呆账。 ( )