He likes fish very much,but my favourite is ________(tomato).

问题描述:

He likes fish very much,but my favourite is ________(tomato).
是填tomatoes还是tomato?为什么

应该是tomato吧
首先西红柿可属
favourite后面是is,单数,所以应该填
tomato
不知道对不对,只是这样认为的
PS:嗯,好像这种情况一般都是复数啊!