题目内容：

英文练习难题(6)
A.Do you know the plural form of these nouns?
Singular//Plural Singular//Plural
1.hero____________ 6.belief__________
2.goose____________ 7.life___________
3.ox_____________ 8.happiness_________
4.mouse___________ 9.milk_____________
5.thief___________ 10.country__________

优质解答

1.heroes
2.geese
3.oxen
8.happiness
4.mice
9.milk
5.thieves
10.countries
6.belief
7.lives
记得milk和happiness不可数啊
楼上,OX牛的复数应该是OXEN