Vanessa told us that she had written a letter to her brother_____ the first prize in the skiing contest.A to congratulate on his own B to congratulate his winning C congratulating him on winning D congratulating on his winning答案C 祥解 A:Let get ready for the get together. Mr.and Mrs. Johnson may come any time.B:Don't worry.There is quite a distance for them to drive here. As a matter of fact, they ____ reach here in an hour or so.A mustn't B may not C shouldn't D shall not答案C 祥解 My uncle could have helped me when I was in trouble but I ___anyone to help unless I found little hope with my own efforts.A hadn't wanted Bwon't want C don't want D didn't want答案D 祥解