This problem was so difficult they couldn't solve them.改写句子This problem was ( ) difficult ( ) ( ) ( ) solve.

This problem was so difficult they couldn't solve them.改写句子This problem was ( ) difficult ( ) ( ) ( ) solve. 新概念英语同步测试卷连词成句,it so that this was easy problem was soon solved so this is not where the problem lies. This problem was much more difficult than i ____ (expect). The factory was correcting this problem (yesterday)说法对吗? why this was so 这是什么结构? the math problem was so difficult that none of us could work it outthe math problem was (-----)(-----)(------)(-----)(-----)of us (-----)(-----)(----) The problem was so difficult that we couldn't work it out easily同义句We___ _____working out the problem. This problem is so easy that you can work it without______(think) of it. This problem is so difficult that f_____ student can solve it. this problem is ______ for you to answerA easy enoughB too easyC enough easyD so easy He is so w____ that he can work out this difficult problem easily. This math problem is very h_____ ,so many students can not do it 用括号内所给词的适当形式填空1.Students can form ( ) of four to discuss this problem.介词填空2.What are you going to train( )选择3.（ )-----My mother liked voluntary work when she was young.-----（ ）A.So was my mother B.So did 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? 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. 英语翻译problem was sad,this,heard,when,i,i,so,sensational,news,was