Question

Marque o verbo to be correto na versão na voz ativa de cada frase abaixo. As frases estão separadas por tempo verbal:

Futuro going to
XV) The teacher is going to teach many interesting things.
->Many interesting things is going to be taught by the teacher.
are going to be

XVI) She is going to refuse the benefit.
->The benefit is going to be refused by her.
are going to be

Answer 1

Many interesting things are going to be taught by the teacher.

The benefit is going to be refused by her.

Many interesting things = plural, so go with are.

The benefit = singular, hence the usage of is.

It's also worth mentioning that the agent in both sentences can be omitted.