问题
Jane would never have gone to the party ____ that Mary would come to see her. [ ]
A: has she known
B: had she known
C: if she knows
D: if she has known
B: had she known
C: if she knows
D: if she has known
正确答案是：
同类题型
t me an e-mail ,_______to get further information
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ke, are you busy now— Not really. I _____ my work, and I’m going to seea movie online.