Last month 3 people got injured in a gas explosion, has not been discovered yet.
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A
whose cause
B
the cause of that
C
which cause
D
the cause
推荐题目
He wrote a letter ________ he explained what had happened in the accident.
#76030
A
what
B
which
C
where
D
as
Thinking of the scenes ________ the people were killed by the invaders, the old man was full of anger.
#77184
A
when
B
why
C
where
D
which
In China, the number of cities is increasing _____development is recognized across the world.
#75955
A
which
B
whose
C
where
D
that
A good advertisement, _____ people attach positive meanings, can contribute to the sales of a product．
#78507
A
for which
B
to which
C
of which
D
on which