The problem was too difficult to be solved还是The problem was

The problem was too difficult to be solved还是The problem was was,difficult,too,the,problem,to,solved,in,week,a,just,be The maths problem was too difficult.____worked it out. 英语填空题 Although the problem was difficult,he solved it s_____ The problem was too difficult for me to work out.改为复合句 the problem is difficult to be solved 为什么solve要是过去式 问2道英语选择题1.there was no way( ) the problem could be solved.A The professor suggested the problem referred to be solved at 是the problem is difficult to be dealt with还是the problem is d “with the problem solved”这被动语态为什么不在solved前面加was? These ___(problem) are difficult to be solved(解决). The maths problem was too difficult for students of our grad