Question

Which sentence uses commas correctly?


Soon, we will encounter robots, at grocery stores, at the bank, at home and at work.


Soon we will encounter robots at, grocery stores at, the bank at, home and at, work.


Soon we will encounter robots at grocery stores, at the bank at home, and at work.


Soon we will encounter robots at grocery stores, at the bank, at home, and at work.

Answer 1

The fourth sentence:

"Soon we will encounter robots at grocery stores, at the bank, at home, and at work."

It correctly uses commas to separate the items in the series and places no unnecessary comma after the introductory word "Soon."