We still remember the day we spend repairing the old house.A. whatB. on whichC. whenD. wh

问题补充：

We still remember the day we spend repairing the old house.

A. what

B. on which

C. when

D. which

答案：

A. what

B. on which

C. when

(答案→)D. which

解析：考查定语从句，先行词是the day定语从句中缺少宾语，用关系代词which，句意：我们还记得我们一起修房子的日子。选D。