He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
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A
why
B
how
C
because
D
whether
推荐题目
With time going by, we have come to realize that creativity is _______it takes to keep a nation highly competitive.
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A
what
B
how
C
why
D
that
The reason_________ he was late for work was_________ he didn’t get up early.
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A
for, because
B
which, because
C
why, that
D
for, that
I’m afraid he is more of a talker than a doer, which is _________ he never finishes anything.
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A
that
B
when
C
where
D
why
Part of the reason Charles Dickens loved his own novel, David Copperfield, was ________ it was rather closely modeled on his own life.(2010·北京)
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A
what
B
that
C
why
D
whether
Although you have learned much knowledge and a lot of theories, the problem is _______ can be put into practice.
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A
what you have learned
B
how what you have learned
C
that what you have learned
D
how that you have learned