请问potatoes and fish___my favourite food.用is还是are.求详解

请问potatoes and fish___my favourite food.用is还是are.求详解 My favourite food is potato.还是My favourite food are potatoes my favourite food is potato还是potatoes? my favourite food noodles and fish用is还是are My favorite food ( ) potatoes.是用is还是are 为什么? My favourite food is tomatoes and potatoes对吗? 句子Potatoes ___ my favourite food .用哪个?为什么? A . is B . are My favourite food is\are apples and oranges .用is还是are? milk and meat are my favourite food 谓语用is 还是are Noodles and beef are my favourite food 用is 还是are My favourite food is/are eggs.用is还是are My favourite food is eggs and rice.用is 还是are?