这个句子this problem is hard to be solved.this problem is hard to be solved.this problem is hard to solve.是不是两个都是正确的呢?

这个句子this problem is hard to be solved.this problem is hard to be solved.this problem is hard to solve.是不是两个都是正确的呢? this is a （ ) problem More and more people have realized that how serious this problem is.这个句子中that为什么要删掉? 帮个忙用enough改写句子this problem is too difficult fou her to work out .this problem is ( )( )( )( )( )( )( )( ). 问一个句子的3个同义句.this problem is easier than that one.1.this problem is _____ ______than that one2.that problem is _____ ______than this one3.that problem is _____ ______ ______this one This problem is very___for her. 这个句子,是现在完成时态吧?This problem has beaten me.这个问题难住了我. this math problem is less difficult than that one这个怎么翻译内? __ __ THIS MATHS PROBLEM IS ! It is difficult () out this maths problem This problem is not above us . this problem is difficult and ---------- (bore). This problem is difficult to work out 用It is…to…的句子怎么写 My biggest problem is too busy.这个句子有问题么 能用busyness么 请问这个句子：The problem is too difficult.Nobody can work out it.有虾米错误? 请帮我分析一下这个句子?The problem is easily to be solved 麻烦大家分析一下这个英语句子的语法结构whether this will resolve the problem is very unlikely as internation organizations are just an extension of human behavior the problem is what we should dowith this machine 请问what在句子中充当什么成分