strawberry的复数形式,sheep的复数形式

tomato (复数) __________ tomatoes 2.
strawberry (复数) ___________ strawberries
it is strawberry.(变复数句) _____ they ____ are strawberries.
strawberry复数
苹果,葡萄,梨,桃子,西瓜,芒果,草莓,菠萝的英语复数形式