1.
to fail a class: to not pass a class; to do very poorly in a class and not get credit for taking it
- Have you ever failed a class?
- I failed my Spanish class when I was in middle school.
2.
I don't understand what is going on.: I don't know what is happening.
- Why is everyone angry at me? I don't understand what is going on.
- Why are they throwing food at each other? I don't understand what is going on.
3.
What's the problem?: a question used to ask what is wrong
A)
What's the problem?B) My computer won't turn on.
A)
What's the problem?B) Many customers are complaining about our product.
