单项选择题

It is a question ______the book will be published this month or next month.

A．if
B．whether
C．that
D．which
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单项选择题
I think he studies very hard, ______
A．does he
B．doesn’t he
C．don’t I
D．do I
单项选择题
Anyone can get into the club, ______he is a member there.
A．even if
B．unless
C．as that
D．so long as
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