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
You can only be sure of_________ you have at present; you cannot be sure of something _____ you might get in the future.
#73029
A
that; what
B
what; /
C
which; that
D
/; that
A container weighs more after air is put in,_____proves that air has weight.
#73698
A
as
B
it
C
that
D
which
The reason__________ their failure you know is _____they didn't get fully prepared for the experiment.
#73392
A
why.., that
B
that.., why
C
for.., that
D
why.., because
If we have a strong will, we can overcome any difficulty ______ it is.
#68085
A
what
B
how
C
whatever
D
however
________ is known to everybody, Taiwan is a part of China. We must unify it.
#73344
A
It
B
As
C
Which
D
What