C． 表让步
He insisted on buying another car, which he actually didnt need
他坚持要再买一辆车，尽管他并无需。
My father,who thought it might not work,supported me.
尽管爸爸觉得这个方法可能不会起用途，但还是支持我。
D． 表目的
This company,which wants to get their new product sold well in the market,is trying hard to perfect its packing and workmanship.
为了使新品在市场热销，这个公司正在全力改进工艺和外包装。
E． 表转折
She is quite considerate and kind,which her younger sister never is.
她很善良，体贴，而她妹妹却从不如此。
To succeed in this area,one needs profound1 knowledge and experience,which few has.
要想在这一范围获得成功，需要渊博的常识及丰富的经验，而极少有人能拥有这两点。
F． 表条件或假设
A new product which has beautiful packing,good quality and advertising2 may very likely be a hit in market
一种新品，只须包装精美，质量优质，宣传得力，就能在市场中热销。
Any one who works hard and never gives up will succeed.
其他人，只须努力工作永不舍弃，就可以成功。
