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问题: 高一单选2

I wish I _______the book yesterday.But I was too busy .
A. had finished to write
B. could have finished writing
C. could have finished to write
D. might finish writing
请详细给出理由,谢谢!

解答:

finish doing 所以排除了AC


wish 后面用虚拟,因为有了yesterday. 所以是表示和过去的虚拟,排除D

所以选择B

参考文献: 个人观点