为什么a lot of fruit fruit不加s而many fruits 加s
为什么a lot of fruit fruit不加s而many fruits 加s
a lot of fruit为什么不加s many fruits却加s
为什么Eat lots of fruit and vegetables中fruit不加s,而vegetable加s,
为什么many fruit fruit要加s而some fruit不用加s
为什么fruit不加s,而vegetable加s
We want some fruit.和 He can eat fruits.为什么一个加S一个不加?
buy some fruit fruit为什么不加s
we eat lots of vegetables and fruit 为什么fruit不加s
为什么fruit可以不加s也可以加s?
I want to buy many different kinds of fruit.fruit要加S吗?
fruit什么时候加s?
fruit什么时候加s