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

Many people think that the first subway in the world __________________ in New York City. However, Boston was the first city in the U.S. to open a subway in 1897.