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

Alex’s mother was waiting impatiently for Alex to come home from school. "There you are!" she cried when he opened

the door. She anxiously asked him where he __________________. "I missed the bus and had to walk here," Alex replied.