What’s happening— There was ____ accident just now.

下列各句中，加点的成语使用恰当的一句是( )

So far, Su Bingtian is the only Chinese who finished the 100-meter race in less than 10 seconds.- —- ______ he runs!

Why not ______ about names

It’s difficult for me to decide which one to choose, because ____ of them are good.