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The city is believedover by sandstorms from AD200 to AD400.A. to coverB. to be coveredC. t

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解决时间 2021-01-24 00:28
  • 提问者网友:贪了杯
  • 2021-01-23 02:15
The city is believed over by sandstorms from AD200 to AD400.
A. to cover
B. to be covered
C. to have been covered
D. that was covered
最佳答案
  • 五星知识达人网友:轻雾山林
  • 2021-01-23 03:36
A. to coverB. to be covered(答案→)C. to have been coveredD. that was covered解析:The city与cover之间是被动关系,故用不定时的被动式;cover这个动作发生在believe之前,故用不定式的被动式的完成时,故选C。
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  • 1楼网友:风格不统一
  • 2021-01-23 04:02
就是这个解释
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