these boys are from England ,and those_______ are from America中的空格可以写什么?

问题描述:

these boys are from England ,and those_______ are from America中的空格可以写什么?
从be some many play lab have also one dictionary library中选

填写 one .代表 boys 的省略.整个意思就是:
这些孩子来自英国,那些孩子(one)来自美国.