What has happened?
What has happened?
---I have lost my key and can't open the door.
为什么不能用
What happened?
---I lost my key and i can't open the door.
两者的区别是什么?
人气：116 ℃ 时间：2020-02-03 12:43:51
解答
1.What has happened?
has done现在完成时,强调对现在的影响.
I lost my key and i can't open the door.
我丢了我的钥匙,然后我不能开门啦.
而What happened?
则不对,不应有影响,只是过去发生了什么..
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