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Until the 16th century the earth______to be flat.A．is believedB．has been believedC．believe

2020-09-28 00:59:11 外语考试 阅读

问题详情

Until the 16th century the earth______to be flat.

A．is believed

B．has been believed

C．believed

D．was believed

请帮忙给出正确答案和分析，谢谢！

参考答案

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