11. __________ win the most gold medals in the 2012 Olympic Games, the Chinese athletes are busy training.
A. In order to B. In order that C. So as to D. So that
12. While __________ for the bus, I happened to come across my childhood friend, Tom.
A. waited B. wait C. waiting D. to wait
13. The open-air celebration has been put off __________ the bad weather.
A. in case of B. in spite of C. instead of D. because of
