问题补充:
. 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:
A. what;have never forgotten
B. which; wre never forgotten
C. as ;will never forget
(答案→)D. that; would never forget
解析: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。