—What about the student in your class, Mr. Wang?—The doctor said that ________ sleep caused him poor memory and poor concentration.
The company in Hangzhou produced quantities of first-class silk, most of them ______ to Europe.
After about an hour’s ride, we finally got to _______ was then called “Ping Jing Hotel ”.
At first it looked like a simple accident, but later the police became doubtful.
The art centre is _____ used to be a factory, _____ millions of tractors were made.
China won 100 medals in the Beijing Olympic Games, which are almost ________ those of the Sydney Olympic Games.