He made another wonderful discovery, ______ of great importance to science.
#72556
A
which I think is
B
which I think it is
C
which I think it
D
I think is
推荐题目
By using your eyes you can tell the direction _____ light comes.
#72384
A
in which
B
from which
C
with which
D
on which
We should consider the students’ request _____the school library provide more books on popular science.
#68545
A
that
B
when
C
which
D
where
Some pictures of the river brought the days back to the old ________ they swam in it.
#73323
A
when
B
that
C
who
D
where
is known to us all is the old scientist, for whom life was hard in the past, still works very hard in his eighties.
#70211
A
What; what
B
What; that
C
That; what
D
As; that
The great scientist became world-known in the early 1970s,______ he and another scientist made new discoveries about black holes.
#73597
A
which
B
where
C
when
D
then