写出下面单词的复数 1.pen 2.strawberry 3.watch 4.key 5.dictionary 6.backpack 7.brother 8.tomato 9.h
问题描述：
写出下面单词的复数 1.pen 2.strawberry 3.watch 4.key 5.dictionary 6.backpack 7.brother 8.tomato 9.h
写出下面单词的复数
1.pen 2.strawberry 3.watch 4.key 5.dictionary 6.backpack 7.brother 8.tomato 9.hamburger 10.egg 11.basketball 12.skirt 13.documentary 14.student
答
1.pens 2.strawberries 3.watches 4.keys 5.dictionaries 6.backpacks 7.brothers 8.tomatoes 9.hamburgers 10.eggs 11.basketballs 12.skirts 13.documentaries 14.students你能告诉我以y和o结尾的单词怎么变复数吗？以"辅音字母+y" 结尾的单词，先把y改成i再加es.以"元音字母+y" 结尾的单词，直接加s初中部分就是tomato,和potato的复数加es, 其他以o结尾的名称加s变复数