试题题干
She has always enjoyed reading newspapers, magazines and books, all of （） have been of great help to her in television reporting.
参考答案
正确答案：
试题解析
本题考查定语从句。空格处前有逗号，所以需要填which构成非限定性定语从句。 句意：她一直喜欢看报纸，杂志和书籍，这些都对她的电视报道有很大的帮助。