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
President Obama held talks with Chinese President Hu Jintao in Beijing, ________ economic recovery, climate change and stopping the spread of nuclear weapons.
#71005
A
which was discussed
B
in which they-discussed
C
when they discussed
D
which discussed
After you have used the dictionary，please just put it back it belongs．
#70102
A
to whom
B
to which
C
what
D
where
He didn’t move the music went on,but got up it ended.
#71623
A
when;while
B
while;when
C
while;while
D
when;when
---I went to see my friends off at the airport.---Is that_____you were late for the important meeting?
#71563
A
because
B
why
C
how
D
reason