单项选择题

It is not ______ to discuss the question again and again.

A．worth
B．worthy
C．worth-while
D．worth while
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单项选择题
______ I accept that he is not perfect, I do actually like the person.
A．Since
B．While
C．Before
D．Unless
单项选择题
It is much easier to make a plan than it out.
A．carrying
B．carry
C．to carry
D．carried
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