8.148 USAGE NOTE
In writing, you can sometimes begin a sentence with a coordinating conjunction. You do this to make the sentence seem more dramatic or forceful. Some people think this use is incorrect, and they avoid using it.
- The villagers had become accustomed to minor earth tremors. But everyone knew that something unusual had woken them on Monday.
- Do you think there is something wrong with her? Or do you just not like her?
- Send him ahead to warn Eric. And close that door.