单项选择题

You'd better write down her number and address ______ you should need them.

A．unless
B．in case
C．on condition that
D．if only
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单项选择题
Our bodies are strengthened by taking exercise. ______ , our minds are developed by learning.
A．Probably
B．Likely
C．Similarly
D．Generally
单项选择题
--Will you tell the secret to the teacher.--No ! ______ asked to.
A．Even though
B．until
C．unless
D．when
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