________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.
#78656
A
As; whom
B
What; whose
C
It; whose
D
What; whom
推荐题目
Language learning，________ the expert pointed out in his lecture，is more than remembering words and phrases.
#78619
A
as
B
which
C
that
D
what
The growing speed of a plant is influenced by a number of factors, ________ are beyond our control.
#78648
A
most of them
B
most of which
C
most of what
D
most of that
__________ has already been pointed out, grammar is not a set of dead rules.
#78708
A
As
B
It
C
That
D
Which
Now everyone is concerned about how to conquer the economic crisis, __________is very important for us to preserve our standard of living．
#78697
A
which success
B
its success
C
the success of which
D
the success of it
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