—How much is the T-shirt ___________?—65 dollars.
. When talking about his road to success in an interview, he owed his success ______ his mother.
The style of Western art has changed many times ______ Chinese art has changed less often.
—Summer vacation is approaching. Have you decided how to spend it?—Well, I consider ______ an English training centre to improve my spoken English.
We have two spare rooms downstairs, ______ has been used for more than two months.
—John, why are you going to fly to South Africa next week? —______ the FIFA World Cup 2010.