He made another wonderful discovery, _______ of great importance to science.
#76099
A
which I think
B
which I think it
C
which I think is
D
I think which is
推荐题目
When you read the book, you’d better make a mark ____ you have any questions.
#78339
A
at which
B
at where
C
the place
D
where
Many countries are now setting up national parks animals and plants can be protected.
#76501
A
when
B
which
C
whose
D
where
It’s such a good place ______ everyone wants to go and visit _______ it is well-known all over the world.
#75859
A
that; that
B
as; as
C
as; that
D
that; as
Yang Liwei was a student at this flight school from 1983 to 1987, he studied very hard and was made chairman of the Students’ Union.
#77348
A
during which time
B
for which time
C
during whose time
D
by that time