问题
选择题
— You must have met him the other day.
— Oh, no, I _____.[ ]
A. didn't
B. haven't
C. hadn't
D. mustn't
答案
答案：A
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— You must have met him the other day.
— Oh, no, I _____.[ ]
A. didn't
B. haven't
C. hadn't
D. mustn't
答案：A