问题 填空题
照例子写单词。
例: cat-cats
1. cow __________ 
3. dog __________ 
5. bird __________ 
7. wing __________
9. horse __________
2. duck __________   
4. goat __________   
6. rabbit __________ 
8. beak __________    
10. chicken __________                                                                 
答案

1. cows  2. ducks  3. dogs  4. goats  5. birds  6. rabbits  7. wings  8. beaks  9. horses  10. chickens

单项选择题
单项选择题