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The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a s
The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a s
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2023-10-28
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问题
The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a smooth-sided pyramid.
选项
A、has been believed to have been
B、was believed to be
C、is believed to have been
D、is believed to be
答案
C
解析
动词不定式的完成式题。不定式有一般式、进行式、完成式和完成进行式四种时态的变化形式。不定式的完成式所表示的动作发生在谓语动词的动作之前。句中的first attempt“首次尝试”发生在谓语动词believe之前,故本题答案为C项“被认为是”。A项has been believed to have been“已经被认为已经是”双重完成时的用法不正确,故排除;不定式的一般式表示的动作与谓语动词的动作是同时发生的或是在其后发生的,故可以排除B项was believed to be“过去被认为是”和D项is believed to be“现在被认为是”。
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