Edison was at school for only three months...

问题描述:

Edison was at school for only three months...
Edison was at school for only three months(对for only three months 提问)
还有一个疑问..
如果这里是对only three months 提问呢?

How long was Edison at school?如果这里是对only three months 提问呢?HowlongwasEdisonatschool?