Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово MANY так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

The next year even ______ people took part in the celebration. In 1894, Congress made it a national holiday. Today most Americans consider Labor Day the end of the summer. They enjoy the last three-⁠day weekend on the beaches and in the parks.