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..
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..