potato前面加什么冠词

前面加冠词the，例如：

1、Work in the potato and milk until the mixture comes together.把土豆和牛奶掺进去，直到混合物融合在一起为止。

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

3、Is the potato you're planning on eating the same size as a computer mouse?你要吃的土豆和一个电脑鼠标一样大