the book which i think is pretty good 才正确,但这也不是句子.可以当宾语或主语
例如the book which i think is pretty good is under the bed,这就是当主语
i lost the book which i think is pretty good .这是当宾语
the book which i think is pretty good 才正确,但这也不是句子.可以当宾语或主语
例如the book which i think is pretty good is under the bed,这就是当主语
i lost the book which i think is pretty good .这是当宾语