1. (2012·¸§Ë³¸ßÒ»¼ì²â)As a colleague he is great, but as a friend he is _________ failure. That is why their friendship ended in _________ ruins.

A. /; /                           B. /; a                          C. a; a                          D. a; /

2. (2012·±±¾©¸ßÒ»¼ì²â)It is the third time that he _________ the first prize in the match.

A. wins                                                    B. has won

C. won                                                            D. to win