问题描述:
把下列名词单数变复数.
1.map
2.class
3.life
4.story
5.sheep
6.foot
7.mouse
8.man doctor
9.tomato
10.child
1.map
2.class
3.life
4.story
5.sheep
6.foot
7.mouse
8.man doctor
9.tomato
10.child
问题解答:
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