— Are you going to the ball tonight? —It’s too late now. How I wish about it earlier.A. I

问题补充：

— Are you going to the ball tonight? —It’s too late now. How I wish about it earlier.

A. I’ll know

B. I’ve known

C. I know

D. I’d known

答案：

A. I’ll know

B. I’ve known

C. I know

(答案→)D. I’d known

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