1．I________ ________(主修)English at college，but worked as a Chinese teacher after graduation.
答案：majored in
2．About 500 athletes ________(代表)25 countries will attend the games.
答案：representing
3．It’s not easy for such teenagers to get the ________ ________ ________ ________ ________(正确的方法来解决这个问题)．
答案：right approach to this problem
