We want buy some fruit还是We want buy some fruits?

We want to buy some fruit.
我们想买一些水果.
want一定要用want to do ,表示水果的总称时fruit是不可数名词,当表示水果的类别是fruit是可数名词,这里,表示的是水果的总称,所以fruit不加s.

We want to buy some fruit.
want 后面 加个 to。