they can help provide better lives for their parents 改为同义句

they can help --provide------- their parent---with----better lives。they can help --supply------- their parent---with----better lives。参考：1、provide 有两种形式provide sb with sth 或provide sth for sb 2、supply 的用法supply sb．with sth或 supply sth．to ／for sb 希望对你有所帮助,学习愉快!