( )I'm glad you've come back from Beijing.Please tell me how

( )I'm glad you've come back from Beijing.Please tell me how long you_____there.
A)have stayed B)had stayed C) have been staying D)stayed
请详细说明理由
为什么不用过去完成时?
flyflywind 1年前 已收到1个回答 举报

欧阳雪禅 种子

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D
给你看一个他们的前后关系示意图
Past------------------------------------->present
----had done-------did--------have done-----do-------will do

1年前

1
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