单项选择题

The professor can hardly find sufficient grounds ______ his argument in favor of the new theory.

A．which to base on
B．on which to base
C．to base on which
D．which to be based on
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单项选择题
It is not within the scope of this article to present test procedures in detail, but rather ______ a brief outline of each and the significance of the results.
A．giving
B．given
C．to give
D．gives
单项选择题
It is not ______ that this situation will continue very long.
A．Mike
B．like
C．likely
D．the like
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