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有关高中英语The secretary worked late into the night,( )a long speech for the president.A.to prepareB.preparingC.preparedD.was preparing答案为B,为什么不把它当作原因状语从句选C?

分类: 作业答案 • 2022-07-01 17:35:51
问题描述：

有关高中英语
The secretary worked late into the night,( )a long speech for the president.
A.to prepare
B.preparing
C.prepared
D.was preparing
答案为B,为什么不把它当作原因状语从句选C?

答

B.preparing
伴随状语必须用进行时态
C.prepared 绝对错误

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