Loulan, once a small, wealthy commercial city, is believed by many people___________over gradually by sandstorms from AD 200 to AD 500.
. .Rather than ______ at home , I prefer to go sightseeing in ___________.
. ---What is Rudi up to? ---Rudi seems bent ______finding a new job.
. Finally they reached an agreement, with ________.
Greatly frightened by the terrible scene, _______.
On the coast _______ with an old temple _______ back to Ming Dynasty.