—I'm not finished with my dinner yet.—But our friends ________ for us.(2010·北京)
Mr White is ________ as one of the most excellent leaders in our company..
Thousands of athletes _______ in many countries competed ______ medals in the 2008 Olympic Games in Beijing.
The Science Museum, _______ we visited during a recent trip to Britain, is one of London’s tourist attractions.
The problem is _________ we can finish the work in time.
A monument was set up at the centre of Tian’men Square ______ those who devoted their lives to our country.