Unfortunately, I couldn't attend the party because something urgent happened at work.
Yesterday, I saw a car accident happen on the street.
It's amazing how so many things can happen in just one day.
If you don't study, you'll never make anything happen in your life.
What happens if I press this button?
I'm sorry, but accidents like that just happen sometimes.
Did anything interesting happen during your trip to the beach?
It's not often that something like this happens in our small town.
Do you think it's going to happen again next week?
I don't know what will happen if I press this button.
It's not often that such an opportunity like this happens, so we should definitely take advantage of it.
It's important to be prepared for whatever might happen, just in case.
It's amazing how quickly time flies and how much can happen in just one year.
I heard there was a big accident on the highway this morning, did you happen to see anything?
I'm not sure what happened, but the car won't start.
It's amazing how much can happen in a year, and looking back, I'm proud of all the progress I've made.
We had to postpone our meeting because an unexpected emergency happened in the office.
I just noticed that my phone is missing; I wonder what could have happened to it.
It's not every day that you see a rainbow, so when it does happen, it's a beautiful sight to behold.
I'm sorry that I couldn't attend your party; something important just happened that required my immediate attention.
I'm curious about what will happen if I push this button.
Despite everything that has happened, I still believe that things will get better.
It's a good thing that the accident didn't happen during the peak rush hour.
We should be prepared for the worst-case scenario no matter what happens.
It's highly unlikely that a miracle will happen out of the blue.
I am really looking forward to seeing what will happen next in my career.
It is not likely that this kind of incident could ever happen again.
With everything that is going on in the world, it's hard to predict what will happen next.
Despite our best efforts, sometimes things just happen that are beyond our control.
In order for change to happen, we must be willing to step outside of our comfort zones.