my favorite food（ is hamburger）要不要复数?

my favorite food（ is hamburger）要不要复数? “my favorite food is hamburger”里“hamburger”要不要加s? My favorite food is hamburger 同义句 apple is my favorite food.apple要不要加s? My favorite fruit is orange orange要不要变复数 My favorite food is hamburger.画线部分是hamburger,就划线部分提问 my favorite food is后面要跟可数名词复数还是单数?比如说my favorite food is app My favorite food is mango.mango前要不要加a呢? The favorite food in the United States is the hamburger. My favorite food is cakes my favorite food is ____. my favorite food is hamburgers.