You can keep all the files and documents you think it is convenient to get them．
#30188
A
what
B
how
C
where
D
when
推荐题目
It is said that the school will be built in__________is called developing zone.
#34796
A
what
B
that
C
which
D
where
No one knows exactly ______ this important discovery was made.
#33284
A
that
B
that how
C
what
D
when
I have no idea ______ the journalist could have got his information from.
#33450
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that
B
why
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why
D
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Never let your mind wander when driving, ______ a car crash is probable.
#79847
A
but
B
so
C
because
D
or