请问以下句子语法正确吗?顺便问,有免费的雅思作文批改的么?

题目

请问以下句子语法正确吗?顺便问,有免费的雅思作文批改的么?
1.Poverty has become one of the most significant challenge in many developing countries is facing.
2.Of course ,money definitely can help the country out of urgent problems .
2.Therefore ,of course ,money definitely can help the country out of urgent problems .这样表述的行吗?

答案

1.Poverty has become one of the most significant challenge in many developing countries is facing. 贫穷已成为发展中国家正在面...