Select all sentences in which the indefinite-pronoun subject agrees with its verb.
Somebody at reception has found your scarf.✓Правильный ответ
Somebody at reception have found your scarf.
Anyone with a valid badge is allowed upstairs.✓Правильный ответ
Anyone with a valid badge are allowed upstairs.
Объяснение
Somebody and anyone are both singular indefinite pronouns, so has found and is allowed show the required agreement. Have found and are allowed incorrectly apply plural agreement to those singular subjects.