请问以下句子语法正确吗?1.Poverty has become one of the most significant challenge in many developing countries is facing.2.Therefore ,of course ,money definitely can help the country out of urgent problems .
问题描述：
请问以下句子语法正确吗?
1.Poverty has become one of the most significant challenge in many developing countries is facing.
2.Therefore ,of course ,money definitely can help the country out of urgent problems .
答
第一句challenge加s，而且双谓语， is facing去掉
答
正确:
1.Poverty has become one of the most significant challenges in many developing countries.
1.Poverty has become one of the most significant challenges for many developing countries
to face.
正确:
2. Therefore, money definitely can help the country out of urgent problems.
2. Of course, money definitely can help the country out of urgent problems.