A huge amount of oil was spilt on the East Sea, the causes of ______ are still under investigation.
#78658
A
it
B
that
C
which
D
whom
推荐题目
With the help of the collected money, subways can be built sooner and better, _______ brings convenience to citizens.
#78676
A
as
B
what
C
who
D
which
Jennifer is always absent from school，＿＿I suppose is why she is blamed now and then.
#78660
A
which
B
who
C
that
D
what
They can find whatever they need in the supermarket, ______ is always busy on Sundays.
#78638
A
which
B
when
C
where
D
who
The growing speed of a plant is influenced by a number of factors, _______ are beyond our control.
#78715
A
most of them
B
most of which
C
most of what
D
most of that
Whenever I met her, ______ was fairly often, she greeted me with a sweet smile.
#78620
A
who
B
which
C
when
D
that