Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово NOT CAN так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

The fourteen wolves __________________ eat all the deer, but they changed the way the deer moved. The deer became more careful and avoided open places and riverbanks where they could be hunted by wolves. This gave young trees and plants a chance to grow again.