单项选择题

______ his address, I can't visit him personally.

A. Not known
B. Not knowing
C. Haven't know
D. Don't know
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You'd better ______ your homework by the time I arrived.
A. finished
B. finish
C. had finished
D. finishing
单项选择题
Do you know Jim always quarreled with his mother I don't know
A. nor don't I care
B. I don't care neither
C. nor do I care
D. I don't care also
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