语法指南
二
一
2.先行词表示时间、地点或原因时,引导词如果在从句中充当主语、宾语或表语,则应用which或that来引导。 I’ll never forget the days that/which we spent together. 我永远不会忘记我们在一起度过的日子。 (比较:I’ll never forget the days when we studied together.我永远不会忘记我们一起学习的日子。) I don’t believe the reason that/which he explained to me. 我不相信他对我解释的原因。 (比较:I don’t believe the reason why he shouted at his parents.我不相信他对父母大喊的原因。)