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it is difficult to work out the problem 对work out the problem提问 The maths problem is difficult,but f___we work it out. The problem is easy enough for us to work He is busy to work out the difficult problem. 改错 To work out the problem is very hard .(同一句) _____ is very _____ _____ work out the problem . To work out this maths problem is difficult.(同义句转换) __difficult __ work out this maths problem he is the second () out the problem.A.working B.to work C.work He is clever.He can work out the problem.合并为一句He is ______enough _______work out the problem. 帮个忙用enough改写句子this problem is too difficult fou her to work out .this problem is ( )( )( )( )( )( )( )( ). The problem is difficult for a little girl toA.work out B.work it out C.work out it 按要求改写句子 The problem is difficult .Nobody can work it out.（二句合并为一句）The problem is too difficult ( ) to work out.The problem is too difficult ( for anyone ) to work out. 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？ He can work out the problem.He is very clever.(合并为一句）He is ( ) ( )to work out the problem. this problem is very easy.we can work it out (easy)变形this problem is very easy.we can work it out (easy)把easy变形或不变 he problem is very easy. They can work it out. (合并) The problem is easy __ for __ to work out. This problem is so difficult that nobody can work it out.(保持原意)This problem is ( ) difficult for ( ) to work out.填too...anyone可以吗? The problem is so difficult that I can't work it out.同义句The problem is _______ _______ difficult for me ______ work out. 同义句 The math problem is so difficult that nobody can work it out.The math problem is ()difficult()work it out.