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题目内容
（乐山师范学院英语教育）
He( )me yesterday, because I wasn.t there.
A. couldn.t have seen
B. mustn.t have seen
C. couldn.t see
D. shouldn.t have seen
A. couldn.t have seen
B. mustn.t have seen
C. couldn.t see
D. shouldn.t have seen
参考答案