1.There still exist many problems to be solved.和There come the various responses.两个句子中 动词exist come需要加S变成三单形式么?为什么?2.As compared with the high price ,the quality and taste seem barely satisfaction.这句话

1.There still exist many problems to be solved.和There come the various responses.两个句子中 动词exist come需要加S变成三单形式么?为什么?2.As compared with the high price ,the quality and taste seem barely satisfaction.这句话 there still exist disagreements__whether social stability should be maintained填as to i或n terms ofthere still exist disagreements__whether social stability should be maintained要填as to而不是 in terms of 为什么? still there? There still ( ) the phenomenon of abuse of sources.There still ( ) the phenomenon of the abuse of sources.( )中填exists还是exist?为什么source不可数,多加了个s,意思是资源 exist there are still 还是 there still are there exist的用法（是exists还是exist）详细说明there exist的用法,其次到底是exists还是exist there be =there is exist是这样吗 there exist 和 there be用法一样吗? still stop there there exist 的用法和there be的用法一样的吗?请具体说明一下there exist 的用法! do you think there exist extraterrestrials or not小文章 是there still should be还是there should still be? the memory is still exist in my heart,how can I not to remember it. Don't part with your illusions.When they are gone you may still exist,but you If happy ever after did exist.I would still be holding you like this. 请帮忙分析下这个简单的英语句子结构The friendship will still exist The two countries can't reach an agreement,so their c still exist.首字母填空