1.She often s__________for absent teachers in the English class.
2.My publisher wants to see a first __________（初稿）by the end of next week.
3.After 7 years’ hard work，he gained a doctor’s __________ （资格） at last.
4.Our __________（代理人）in Rome deals with all our Italian business.
5.He started new business __________ （事业） a few years ago.
