Start by saying something simple and something that you can relate to.
Well the right one is the last option but the thing your wanting to translate isn't even an option so idk :/
Answer:
In order to successfully complete this exercise, you have to fill-in the blanks in the sentences with the correct form of the verbs provided in brackets in their subjunctive mood. <em>Note that you have to pay particular attention to the subject in each sentence in order to choose the correct inflection of the verb</em>.
Explanation:
Teme que <em>haya</em> (haber) una sobrepoblación en el continente (continent).
Ojalá que tú <em>puedas</em> (poder) respirar aire puro.
Es una lástima que nosotras no <em>reciclemos</em> (reciclar) el vidrio.
Me alegro de que el ecoturismo <em>conserve</em> (conservar) el medio ambiente.
Los expertos no creen que la energía solar <em>sea</em> (ser) la única solución.