Although ______ American literature he failed to remember the writer of the masterpiece.A
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Although ______ American literature, he failed to remember the writer of the masterpiece.
A.he was knowing
B.he is knowing
C.knows
D.having a knowledge of
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正确答案:D
解析:非谓语动词题。know是静态动词,不能用于进行时; C knows从句中又缺少主语。D 中的knowledge作“知识”讲时是不可数名词,但作“了解”讲时,前面可加“a”,常用于词组have a knowledge of中,所以选D
