New York London are two of the largest cities in the world.A.Either; orB.Both; a
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_____ New York _______ London are two of the largest cities in the world.
A.Either; or
B.Both; and
C.Neither; nor
D.Not only; but also
试题答案
B
根据谓语动词判断，应该是both …and..结构。其它几个都是就近一致原则，该用单数。