---Has the train arrived? ---No, it all will be late half an hour.
The man is ________danger to society. Therefore,people around him are in ________danger all the time.
This is the ________spot on which the first pilgrims landed in America.
It is the first time that the Chairman of the NPC Standing Committee,Wu Bangguo ________a visit to America to discuss shared interests.
Mary and Jane who are similar ________each other are very similar ________outlooks (看法).
-Don't you think that her performance has made a sensation?-Who but you can be ________by that?