To work out the problem is very hard .(同一句) _____ is very __

To work out the problem is very hard .(同一句) _____ is very __ The problem is very hard,I don't know how to work out._____ To work out the problem is very hard 的同义句答案 快 回答 To work in a school is very instersting .改为同一句__ __ very ins The problem is very easy.A_____ can work it out. the math problem is too hard to work ------out The problem is very difficult.He can't work it out.(合并为一句） the problem is very difficult.we can't work it out.(合并一个句）th He can work out the problem.He is very clever.(合并为一句） This is very easy to work out the math problem.有什么错? 改为同义句I find that it is hard for him to work out the problem. 英语的同义句转换.1.To work out the problem is hard.____ is hard ___