.____she_____yesterday,she would meet the famous singer today

A.if__she didn't leave _yesterday,she would meet the famous singer today\u5982\u679c\u5979\u6628\u5929\u6ca1\u6709\u79bb\u5f00\uff08\u8d70\uff09,\u5979\u4eca\u5929\u5c31\u4f1a\u770b\u89c1\u8457\u540d\u7684\u6b4c\u624b\u5462\u3002

\u9009C. \u5982\u679c\u9009B,\u5e94\u662fHad\uff0cnot left
\u8fd9\u662f\u4e00\u4e2a\u6df7\u5408\u865a\u62df\u6761\u4ef6\u53e5\u3002\u4ece\u53e5\u4e0e\u8fc7\u53bb\u76f8\u53cd\uff0c\u7528had done \u3002\u800c\u4e3b\u53e5\u4e0e\u73b0\u5728\u76f8\u53cd\uff0c\u7528would\u3001should\u3001could\u3001\u6216might do\u3002
\u5982\u679c\u7565\u53bbif\uff0c\u628a\u4ece\u53e5\u4e2d\u7684were\uff0cshould\u6216had\uff0c\u63d0\u5230\u4e3b\u8bed\u524d\uff0c\u6784\u6210\u90e8\u5206\u5012\u88c5\u3002

答案应该是： Had, not left
这是一个虚拟语气省略了if的倒装结构，原句是：If she hadn't left yesterday, she would meet the famous singer today.（如果她昨天没走，今天就能看到那个著名歌手了）
当虚拟语气的从句中有should，were，had（助动词）时，可省略if，用倒装，把它们放到主语的前面，但要注意如果从句是if的否定句，not不能和它们一起提前。