A huge amount of oil was spilt on the East Sea, the causes of ______ are still under investigation.
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A
it
B
that
C
which
D
whom
推荐题目
She wore , _____ was very uncommon in the country, a red garment.
#78675
A
what
B
which
C
of which
D
as
By 16:30, ______was almost closing time, nearly all the paintings had been sold.
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A
which
B
when
C
what
D
that
The old farmer has two daughters, _______ is kind to him, _______makes him very sad.
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A
neither of whom; which
B
neither of them; which
C
both of whom; which
D
both of whom; that
_______was often the case, Miss Wang was the first to arrive at the school in the morning .
#78646
A
Which
B
What
C
As
D
It