Nothing is known _____ the authorship of the book.A. for B. as C. of D. in答案是 C。一般书上介绍过 be known as, be known for 这样的搭配，但没有见过 be …
实际上，它们之间的唯一区别是，as it is commonly known，使用了 it 来指代 / 强调前面提及的名词，因此它很少会用于句首（因为代词往往是朝前指代）。 除此之 …
It is known that she is a writer. = She is known to be a writer. 是作家和 is known 具有同时性，静态动词 to be 用一般体。不定式短语作主语补足语。It is believed …
It's known that he is the richest man in the village. He's known to be the richest man in the village. 知道了以上用法，网友应该就不会纠结了。 下面再补 …
赞同龙楠老师解答观点, best known, 可以有连字符号，也可以没有。best-known adj. 最著名的 (1) best-known adj. 最著名的，最出名的 Yahoo is the oldest and …
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