定语从句.Do you still remember those happy day__that__we spent along the seashore?为什么用that而不用when?

定语从句.Do you still remember those happy day__that__we spent along the seashore?为什么用that而不用when?

这道题最好用which.先行词是thosehappy days,做we spent 的宾语.由于先行词有those修饰,所以必用which.
we spent those happy days along the seashore.
we still remember those happy days.