问题
选择题
. They gave us so warm a welcome that we were moved very much. It was a sight__________ we__________.
A．what;have never forgotten
B．which; wre never forgotten
C．as ;will never forget
D．that; would never forget
答案
答案：D
考查定语从句。根据主句的was可知，从句用过去时的某种时态。what不能引导定语从句，先行词sight是物，引导词用that或which。故选D。