问题描述：
英语语法题目,
I ( ) that you were in Shanghai last month,otherwise I ( ) you.
A:had not known; would have visit
B:had not known; would visit
C:did not know; would have visited
D; did not know; would visit
I ( ) that you were in Shanghai last month,otherwise I ( ) you.
A:had not known; would have visit
B:had not known; would visit
C:did not know; would have visited
D; did not know; would visit
问题解答：
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