题目

Most of what has been said about the Smiths_______also true of the Johnsons. A.are                    B.is                C.being                 D.to be 答案：B 解析: what has been said about the Smiths是主语从句，表示单数，most的单复数由of后的成分决定，所以这个句子的主语是单数。being和to be都是动词be的非谓语形式，所以都不能作为答案。

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