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题目内容
（河南科技大学大学英语3(专升本)）
"I saw Mary in the library yesterday." "You _______her, she is still in hospital."
选项:
A:mustn.t have seen
B:could not see
C:can.t have seen
D:must not see
选项:
A:mustn.t have seen
B:could not see
C:can.t have seen
D:must not see
参考答案
