the task we had just completed proved to be more difficult t

the task we had just completed proved to be more difficult t The job proved to be much more difficult than I had expected the problem() to be more difficult than we had supposed The job proved to be much more difficult than I________ the operation proved to be very difficult.it proved to be __ ________ difficult the task may be,we'll try our best to com The search proved difficult和The search proved to be difficul _________ difficult and challenging the task may be, we must 英语语法问题：you must admit the task to be difficult as the Web proved to be more than a fashion,. The experience turned out to be more difficult than they had The task _____more difficult than we expect