改错：Most difficult part of their trip were ...请问这句话有几处错.改错：Most difficult part of their trip were crossing the "Great Amercan Desert" in the western part of the United States on horse and wagon.请问这句话有几处错

定语从句改错：This is the most difficult maths problem which I have done. 改错：Most difficult part of their trip were ...请问这句话有几处错.改错：Most difficult part of their trip were crossing the Great Amercan Desert in the western part of the United States on horse and wagon.请问这句话有几处错 改错Neither John and(A) his father was able to wake up(B) early enough(C) to catch(D) the morning train.Lesson Three is the(A) most difficult lesson,but(B) it isn’t the(C) most difficult lesson in(D) Book Four.Mary found it difficult(A) to talk c Math is difficult and interesting.改错 The Most Difficult Problems In The World the most difficult difficulty 这样有错? 改错题to the finalists,bob and i,the last high jump was the most exciting as well as theTo the finalists,Bob and I,the last high jump was the most exciting as well as the most difficult.此处 Bob and I需要改正.同时下面一道题于此差 Most of my friend are student 改错 ( )Which is_____of all the new words?A.difficult B.more difficult C.most difficult D.the most difficult请问选哪个? 改错：the work have been finished yesterday was difficult It us difficult that find a job now.改错 My brother doesn't like English becuse it difficult 改错 This book is little difficult.改错,我急用, However,that has become more difficult to meet him.改错 He is busy to work out the difficult problem. 改错 英语改错Maths are not difficult to learn Unit Three is than Unit Two A.much difficult B.most difficult C.difficult D.much moreUnit Three ____________is than Unit Two A.much difficult B.most difficult C.difficult D.much more it's the most difficult i've ever done.