高等继续教育 / 专科英语II
正确率：100%
题型描述: 单选题
So little ＿＿＿＿＿＿＿＿＿ about physics that the lecture was completely beyond me.
A.I have known
B.have I known
C.I knew
D.did I know
So little ＿＿＿＿＿＿＿＿＿ about physics that the lecture was completely beyond me.
A.I have known
B.have I known
C.I knew
D.did I know
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