A. (x11,x22,x34,x12,x24,x33) B. (x11,x22,x24,x12,x31,x34) C. (x21,x23,x12,x11,x32,x33) D. (x11,x35,x42,x12,x43,x25,x23,x31) E. (x33,x32,x12,x11,x21)
A. 对 B. 错
A. What B. Where C. That D. Which
A. whatever B. whoever C. whomever D. whichever