What the heck is going on here?

What is the matter with you?

I wonder what goes on in his mind when he's silent.

What manner of person would do such a thing?

What on earth are you doing in my room?

I can hardly believe how generous his offer is, but what's the catch?

When he tripped over his own feet during the presentation, someone laughed and muttered, 'what a dope!' as he scrambled to regain his composure.

I will stick it to my opponent and show them what I'm made of .

What's the big deal? I don't understand why everyone is making such a fuss.

What seems to be the problem?