Difficult work ______ easy if you do it very carefully.A.become B.became C.will become D.has become 请说明why?

it's difficult for a child _____ _____the work Betty found _____ work out the math problem.A.it difficult B.that difficult C.it difficult to D.that difficult to The math problem is too difficult for him to work out.(写出同义句）The math problem is _____ difficult _____ he can't work it out. Mary has_______finished the difficult work.what about his classmater?_____---Mary has_______finished the difficult work.what about his classmater?--- _____.A.already; Not still.B.already; Not yet. It was _____ that she couldn't finish it by herself.A. so difficult a work B. such a difficult work C. so difficult work D. such difficlt work答案选什么?不可数名词想用So表达,该怎么说? Susan is a clever girl.She can always _____（work）out the difficult problems. The work is very difficult..it's _____(possible) to finish it in a day. This problem is so difficult that we can't work it out.(保持句意不变）This problem is ____ difficult ____ us _____ work out. difficult（反义词）_____ The problem is very diffcult.Wecan't work it out.（合并）The problem is ____ difficult for _____ _____ work out.对不起 请问一下为什么？ It was _____ that he couldn't finish it by himself.It was _____ that he couldn’t finish it by himself.A.so difficult a work B.such a difficult workC.so difficult work D.such difficult work选D　但是错在哪?C错在哪里? lt's difficult for him to work out this maths problem的同义句He _____ _____ ______out this maths problem It was _____ that she couldn't finish it by herself.A.so difficult a work B.such a difficult work C.so difficult work D.such difficlt work so that 不是加形容词 such that 加名词 为什么是C 英语翻译Anyhow,this difficult problem will _____ _____ _____ _____. She is difficult to work with. He did the work without any__________(difficult) 同义转换1、The problem was very diffult.Nobody could answer it.The problem was _____ difficult ______ ______ ________ work it out.The problem was _____ difficult ____ ___ ___ work out.The problem was ____ ___ ____ for __ to work out.It was ___ _ To succeed in a difficult task,_____.A.one needs to work hard C.you need be a hard working person 选什么呢?