three teaspoons of apples与three teaspoons of apple哪个对?

three teaspoons of apples与three teaspoons of apple哪个对? 请问是THREE BOXES OF APPLES,THREE BOXES OF APPLE? teaspoons They want two teaspoons of salt .对two怎样提问 We need two teaspoons of honey.(对two提问) They need six teaspoon of honey .对six teaspoons We need two teaspoons of honey.对划线部分提问 —— —— ——teaspoons of I need (two) teaspoons of banana 对划线部分提问 _ _ _ of relish do He put two teaspoons(two teaspoons这个词组画线）of yogurt into the We need two teaspoons of milk to make a banana milk shake.(对 We need （2 teaspoons of）honey forthe hruit salad.对括号部分提问 ___ two teaspoons of honey可以把of去掉吗