______ when to leave, I could only stay at home, _____ nothing.
A.Knowingnot;doneB.Nothavingknown;doingC.Havingnotknown;doneD.Notknowing;doing...
A. Knowing not; done
B. Not having known; doing
C. Having not known; done
D. Not knowing; doing 展开
B. Not having known; doing
C. Having not known; done
D. Not knowing; doing 展开
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