so such区别比如这个句子.It was ------difficult work that we couldn't

so such区别比如这个句子.It was ------difficult work that we couldn't The problem was so difficult that we couldn't work it out ea The math problem was so difficult that I couldn't work it ou it was so funny that we all couldn't _____laughing 英语改句子The math problem is so difficult that we can't work it It was ()that Mary couldn't do it alone.Aso difficult a work The test was so difficult that I couldn't pass it It is such difficult work that we can't finish it in a shout It is (such) difficult work that we can't finish it in a sho ——that I couldn’t be absorbed in the work.A.It was so noisy This problem is so difficult that we can't work it out.(保持句意 it was so dark that we couldn‘t see the road c___