how long与how far回答的区别我主要问回答,谢谢,

how long与how far回答的区别我主要问回答,谢谢,
how long与how far回答的区别
我主要问回答,谢谢,

how long与how far回答的区别我主要问回答,谢谢,
比如人家问时间的长短.用how long~
Such as:How long did you work here?half year
问距离的问题.用how far~
How far is it from your home to school?about ten kilometers