想小声问一下关于取非的问题:
all children can be made physically fit by daily calisthenics 取非后是 no children can be made physically fit by daily calisthenics 还是 not all children can be made physically fit by daily calisthenics 还是都可以.
类似的most, many,everyone 等等做主语,取非时有什么规律吗?谢谢 |