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The reason why they failed the test was ____ they didn’t sleep at all the night before.
#79384
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because
B
why
C
that
D
for which
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The reason why she came here late this morning was        she had to look after her sick daughter.
#79470
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why
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because of
________ made the school proud was ________ more than 90% of the students had been admitted to key universities.
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A
What；because
B
What；that
C
That；what
D
That；because
_______ difficulty we meet with, we must finish it on time, because the opportunity is_______ valuable．
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A
Whatever; such
B
However; such
C
However; so
D
Whatever, that
Have you ever seen snowman ride bicycle? That’s       we look like.
#79462
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what
B
when
C
where
D
how
(2010·江苏)—I prefer shutting myself in and listening to music all day on Sundays.—That's ________ I don't agree.You should have a more active life.
#79342
A
where
B
how
C
when
D
what