The problem _______ you argued about yesterday has been solved.A.that B.what C.why D.for which为什么选A,不选D?
问题描述：
The problem _______ you argued about yesterday has been solved.
A.that B.what C.why D.for which
为什么选A,不选D?
答
the problem 是you argued about 的宾语
with？这个介词完全没用啊～
答
这里关系代词做宾语,可用that或which或不填（省略）,或about which you argued yesterday… D错在：把定语从句还原成简单句you argued about for the problem… argue about是及物动词短语,若用D,导致该及...