Yang Liwei spent the whole evening talking about the things and persons ________ none of us has ever heard of in CCTV station.
The most interesting thing to the small boy was _______ he got close to the door, it would open of itself.
Please keep______ secret that he' s decided to give up his present position.
It was a pity that the great writer died _________his works unfinished.
The girl ________ name was Diana sat next me.
----Do you know our hometown at all? ----No, this is the first time I _____ here.