Answer:
1. Ojalá que ellos descubran nuevas formas de energía.
2. Espero que Ana nos ayude a recoger la basura en la carretera.
3. Es una lástima que la gente no reciclara más.
4. Esperamos proteger a las tortugas marinas que llegan.
Explanation:
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to logically conjugate the verbs, and that these have concordance with what is being expressed
