变复数小学英语就这一句：what,s a minute?

变复数小学英语就这一句：what,s a minute? She's a girl What's this in English What's that in English 这些怎么变复数形式? 小学英语名词变复数改成变复数policemanboysweaterfamilybuspostmanboxpencil-boxchairshopfootcitysheifchitdtooth She's a good girl 变复数 It's a watch.（变复数） that’s a map变复数句 is she a housewife变复数还有this is my dress.what's his job?(变复数）翻译一句话：她们是女警察. There's a football under the chair变复数 It`s a big heavy box.变成复数怎么变 There's a cup of yogurt.(变复数) What's this?It's a pen.(改为复数句) what's this?it's a cat变为复数句 shirt变复数加不加s 小学英语句型What's this?It's a ...有哪些能活跃课堂气氛的小游戏? what's the price of中的be可以使用复数形式吗?还有price要不要变复数? What color is it怎样变复数? what's that 改为复数 A GROUP OF 变复数怎么变