The British are not so familiar with different cultures and other ways of doing things,______ is often the case in other countries.A.as B.what C.that D.which为什么不能选D?

问题描述:

The British are not so familiar with different cultures and other ways of doing things,______ is often the case in other countries.
A.as B.what C.that D.which
为什么不能选D?