1.I didn't see Laura at the party last night.Do you know____

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/04 05:04:45

1.I didn't see Laura at the party last night.Do you know________?A.why
A.why didn’t she come B.what happened C.when would she arrive D.where she has been为什么不选D?

这是宾语从句,主句是一般现在时,理论上从句可以是任何时态.这里上文提到last night ,是个明显的过去时间状语,因而从句也用过去的某种时态为好.
可以改成 where she was ,也就是说你知道“昨晚”她在哪吗?

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