such a man / such men差别?

such a man / such men差别? such a wicked man That is such a difficult problem_you men jack is such a _______(forget) man such a such. such one such 还是 a such They saw____beautiful pictures.A.such many B.such a C.so man Look!The man is wearing such warm clothes on such a hot day. why has such a man in the world 有错吗 67.He is such a man who is difficult ____.