People would like to listen to officials talk ______ , for no one likes an endless and empty talk.
In September 1997, the government of Yunnan Province claimed that Zhongdian is ____ Shangri-la is in Hilton’s story.
During the day, we’ll walk across the land, ____ the footprints of big animals.
I’ve heard that we can see beautiful stars ____ clear nights.
Explorer Robert Ballard searched the sunken ship---the Titanic for more than 20 years and also, with his cameras, he _____ the hole along the side of the ship which had caused it to fill with water and sink.
My friend Tom stays at Internet bars above 8 hours every day ______, really a netter(网虫).