---Jack failed the driving test again． ---The question is_____ we can help him avoid making the same mistake．
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how
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why
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what
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whom
推荐题目
You are saying that everyone should be equal，and this is________I disagree.
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why
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where
C
what
D
how
He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
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why
B
how
C
because
D
whether
His ability is never in doubt----the question is _______he is prepared to work hard.
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whether
B
if
C
that
D
where
With time going by, we have come to realize that creativity is _______it takes to keep a nation highly competitive.
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what
B
how
C
why
D
that