They eat many ______ and ______ (水果和蔬菜).

问题描述:

They eat many ______ and ______ (水果和蔬菜).
这里的水果该填fruit还是 fruits?

应该填fruits
fruit是不可数名词,但在表示种类时,可成为可数名词,在末尾加s
这里的many是修饰可数名词的(不可数名词用much修饰)
vegetable也一样
所以要填fruits and vegetables.