Resposta:
1. Don't try to do the exercise.
2. Robert doesn't answer the questions
3. Do Helen and Carol dance rock?
4. Joanna doesn't invest the money.
5. We don't disobey the rules.
6. Joseph and Mariane don't observe the game.
7. Does John love his mother?
8. Boys and girls don't disrespect their parents.
Explicação:
Utilizamos does/doesn't para: he, she e it
E utilizamos do/don't para: I, we, you e they
2. Robert pode ser considerado como "he";
3. Helen and Carol = "We", além de ser uma pergunta colocamos o verbo no começo.
4. Joanna= she
6. Joseph and Mariane= We
7. John= he, além de ser uma pergunta colocamos o verbo no começo.
8. Boys and Girls= they
