62. He may have seen the film when it was shown last week he?A. can’tB. isn’tC. didn’tD.

问题补充：

62. He may have seen the film when it was shown last week, he?

A. can’t

B. isn’t

C. didn’t

D. hasn’t

答案：

A. can’t

B. isn’t

C. didn’t

D. hasn’t

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