单项选择题

() it will do us harm or good remains to be seen.

A. Whether
B. If
C. As
D. All

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单项选择题
() is she in London than she rings up her old friend Mary.

A. Scarcely
B. Rarely
C. No sooner
D. Hardly
单项选择题
What can we do for them () all the help they have given us

A. in regard to
B. in return for
C. in honour of
D. in reply to
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