It us difficult that find a job now.改错

It us difficult that find a job now.改错 I think that it is _____ problem for us.a quiet difficult b quiet a difficult c very difficult a the math problem was so difficult that none of us could work it outthe math problem was (-----)(-----)(------)(-----)(-----)of us (-----)(-----)(----) it is difficult a book for us The exercise is so difficult that few of us can do it.这里最后一个it不能省掉吗?为什么? This exercise is so difficult that few of us can do it.为什么后面的it 不能省略? 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. All of us found ( )difficult to work out the maths problem.A.it B.that C.which D.what so fast _______ that it is difficult for us to imagine its speed A light travels B does l it is difficult for us to learn a lesson in life until we've actually had that lesson. make it/that /us/them difficult for drivers to drive car into the city.选择哪个?原因 it is difficult for us to learn a lesson in life____we've actually had that lessonAwhen Bafter Csince Duntil This exercise is difficult A so ,that few of us can do Btoo,for any one of us to do it 这两个答案为什么错 英语翻译A that difficult B it difficult C that be difficult D it be difficult 各个选项 It's very difficult for us to learn a lesson in life__we've actually had tIt's very difficult for us to learn a lesson in life____we've actually had that lessonA.when B.after C.since D.until It seems to us that this question is so difficult that none of us can answer it使两句意思基本一致this is _____ _____ _____ question that none of us can answer it 英语语法：so that 和 too to 的区别This problem is ______ difficult ________.A.so,that few of us can answer.B.so,that few of us can answer it.C.too,for anyone of us can answer it.D.too,for anyone of us to answer it.要有详细的解析.