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