Question

写出下列词的复数形式。  

1. book _____    　　　　
2. key _____        
3. family _____
4. dictionary _____　　　
5. watch ______　     
6. is _____
7. this ______           
8. that  _____      
9. friend _____
10. boy _____

Answer 1

1. books ; 2. keys ; 3.  families ; 4. dictionaries ; 5. watches ;
6. are ;7.  these ; 8.  those ; 9. friends ; 10. boys