Преобразуйте, если это необходимо, слово FINAL так, чтобы оно грамматически и лексически соответствовало содержанию текста.
A couple of weeks passed. ____________, he announced in class that the contest was over. A student had gone to his office to ask if she could try her hand at the question. «What in the world isn't chemistry?» she asked.
Adverb — ly — finally.