Вопрос:

7. The ... were sure that the city spent budget money on other things.

Ответ:

7. The ... were sure that the city spent budget money on other things.

The text states that 'The teachers think that the city has enough money, and they say that the problem is that the city spends it on other things.' Therefore, the teachers were sure about this.

Ответ: C) strikers