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

She suffered from severe social anxiety. Attending a school with over 800 students was her ________ nightmare. But this year Melanie was determined that things were going to be different.