1.mouse 2.fox 3.sheep 4.foot 5.egg 6.cartoon 7.crocodile 8.jar 9.abacus 10.calculator 11.watch 12.box 13.deer 14.people 15.police 16.roof
參考答案:1mice
2foxes
3sheep
4feet
5eggs
6cartoons
7crocodiles
8jars
9abacus
10calculators
11watches
12boxes
13deer
14people
15police
16roofs
