what changes a kind of vegetable into a kind of fruit?

what changes a kind of vegetable into a kind of fruit? What letter is a kind of vegetable? what kind of fruit? Tomatoes are a kind of vegetable. L______ is a kind of vegetable. It's a kind of fruit. It's also a kind of color.What is it? ______is kind of drink and ___is a kind of fruit a kind of vegetable 中vegetable 需要加s What kind of fruit?是什么意思 几道英语智力题What letter is a kind of vegetable?What letter is a k Tomatoes is a kind of vegetable这句话对吗? --------（卷心菜）is a kind of nice vegetable.