occasions are quite rare when i have the time to spend a day with my kids中为什么用when不用which that呢

问题描述:

occasions are quite rare when i have the time to spend a day with my kids中为什么用when不用which that呢

先行词是occasions所以引导词通常用when或where,但是此句话中很明显是说我能跟我孩子待一整天的时候很少,所以用when比较好.