Select the option that can be used as a one-word substitute for the given group of words.
A place to play games and bet on them

Correct option is C

The option that can be used as a one-word substitute for the given group of words "A place to play games and bet on them" is (c) "Casino."
A casino is a facility where people can play various games of chance and often place bets on them.
Meanings of the other options:
 Motel: A roadside hotel typically designed for travelers, providing parking facilities.
 Hotel: An establishment that provides lodging accommodations and often other services to travelers.
 Pub: A public house where alcoholic beverages are served, often a place for socializing but not primarily for gambling.