that 做先行词，后头的定语从句缺宾语，可以省略关系词that⼀which吗？
推荐回答（3个）
楼上说的两点很有道理，我都同意。但是这里当that本身作为先行词时我觉得后面的关系词which即使做宾语也不可以省略。虽然不记得有语法书上面谈到这一点，但是觉得如果省略后读起来很别扭。我能想到的一个例句是I would like to keep that which you gave me yesterday.如果作宾语是应该可以省略，但是这句里如果去掉后面的which就感觉不对了I would like to keep that you gave me yesterday.就要把that换成what才通顺。I would like to keep what you gave me yesterday.
that 一个句子中有几个没有问题的。
如果 先行词在定语从句中作宾语，可省。
如 she is the girl i love 这里 i 前就省了who。
再如 this bag is the thing i want to buy.
当先行词是that本身时，关系代词就只能用which而不能用that。
例如：What's that which flashed in the sky just now?
能不能省略关系代词，关键是看其在句中作主语还是作宾语。作动词宾语则可省略，但作介词宾语则不能省略。
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