The farmer used wood to build a house in which to store grain.为什么不能用with which或者where After what was about two years...为什么用what不用it是单项选择

问题描述:

The farmer used wood to build a house in which to store grain.
为什么不能用with which或者where 

After what was about two years...
为什么用what不用it


是单项选择