写出下列名词的复数形式:
1. pencil-box ___________ 2. wife _______ 3. Sunday ________ 4. city ______
5. dress _______ 6. Englishman ________ 7. match _______ 8. Chinese ________
9. zoo ________ 10. exam________ 11. German __________
1. pencil-boxes 2. wives 3.Sundays 4. cities 5. dresses 6. Englishmen 7. matches 8. Chinese 9. zoos 10. exams 11. Germans