47.（knowledge）The newspaper must be （ ）, thoughtfu

47.（knowledge）The newspaper must be （ ）, thoughtful and funny if it wants to be published largely.
【正确答案】：knowledgeable
【题目解析】：be动词后面接形容词做表语，knowledge是名词，意为”知识“，其形容词为knowledgeable知识渊博的。