请教一个英语填空题 He asked for the best book ____ there was on the subject.there was on the subject 这句话怎么理解啊?整句话又怎么理解啊?
问题描述:
请教一个英语填空题 He asked for the best book ____ there was on the subject.
there was on the subject 这句话怎么理解啊?
整句话又怎么理解啊?
答