Maria has written two novels, both of ________ have been made into television series.
The first successful space walk in 2013 is an important historical________in Chinese history.
It came as________shock that ________fire broke out in Shanghai yesterday,killing at least 5 people.
—I wonder if I could make a living by writing.—________?
The situation put us at a serious________,which made us very worried.
I think he’s determined that he won’t give in—you may try your luck and see if you can persuade that old________fellow.