do you know the reason____he was late (for whick/for what /of which)
问题描述:
do you know the reason____he was late (for whick/for what /of which)
答
for which,为了这个原因,which代the reason。
答
如果句尾是问号,用for what,如果是逗号或者后面有句子,就用for which