Which of the following sentences is incorrect?

We use the get passive especially in informal speaking. When we use the get passive, we also place a little more emphasis on the nature of the action itself or on the person involved in the action:
- There were blizzards over night and the whole town got snowed in. (‘Get snowed in’ here means to be unable to leave the town because of heavy falls of snow.)
- I’ve got good news for you.
- Jim finally got promoted.
- They had only known each other for six months when they got married in Las Vegas.

Source: Cambridge Dictionary