George appears______a hard time convincing his employer that he is right over it.

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问题 George appears______a hard time convincing his employer that he is right over it.

选项 A、having
B、to be having
C、to have
D、having had

答案B

解析 本题综合考查非谓语动词和时态。appear后面要求用带to的动词不定式,据题意,乔治似乎正在很艰难地说服他的雇主,在这件事的问题上他是对的,动词不定式要用进行时态。
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