单项选择题

（）he was seriously ill, I wouldn’t have told him the truth.

A. If I knew
B. If I know
C. Had I know
D. Did I know

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填空题
What is there on the opposite wall There is a ______.
单项选择题
His analysis about the economic situation in some Asian countries was（）

A. absolute
B. abstract
C. abundant
D. accurate
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