potato前面加什麼冠詞

前面加冠詞the，例如：

1、Work in the potato and milk until the mixture comes together.把土豆和牛奶摻進去，直到混合物融合在一起爲止。

2、He warmed himself with the potato soup.他喝了些土豆湯暖暖身子。

3、Is the potato you're planning on eating the same size as a computer mouse?你要吃的土豆和一個電腦鼠標一樣大