Cual es el propositio del acticulo?

Es necesario que las autoridades nos medidas para proteger el medio ambiente. a. sugiera b. sugieran c. sugieras d. sugeremos

Which one of the following is the correct rhyme to keep in mind when using the spanish counterparts to this, that, those and these? a: “that” and “those” both have s’s, “this” and “these” don’t b: “that” and “those” both have t’s, “this” and “these” don’t c: “this” and “these” both have s’s, “that” and “those” don’t d: “this” and “these” both have t’s, “that” and “those” don’t

Choose the sentence that accurately expresses a hurt back. me duele la mano. me duele la espalda. me duele el cuello. me duele el brazo.