单项选择题

It isn’t quite _____whether she will take the advice.

A．sure
B．right
C．certain
D．exact
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单项选择题
We’ve made some achievements, but there is still a long way _____.
A．going　
B．to go　
C．gone
D．to be gone
单项选择题
She won’t be afraid as _____ as you are here.
A．long
B．well　
C．soon
D．far
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