"We can't go out in this weather," said Bob,__________ out of the window.
It was 300 hundred years ago _______ this historic temple was built by a wealthy Mandarin.
The Sanlu Milk Powder event is a clear indication that food safety is a big problem; nobody can ___ all foods are secure to us, but we are sure that the situation is turning for the better.
Going on a trip into ______ space must be quite ______ exciting experience.
—I am going to travel to Jamaica. Would you consider telling me about your experiences there? —__. Let's discuss it over dinner.
– Where does your brother work, Jane? -- In America. But he __________in China for 5 years.