The matter about _____ you argued last night has been settled.A.that B.what C.which D.for whichA.B.D.错在哪
问题描述：
The matter about _____ you argued last night has been settled.
A.that B.what C.which D.for which
A.B.D.错在哪
答
B,C,D才错了
答
.that 前有介词，就用which、what 不能跟定语从句、for which ，which 前有介词about了，不再有for 。
明白了吧。
答
看意思
argued about the matter
the matter which you argued about