Debemos conservar el agua aunque (llover) en abundancia.
question 2 with 1 blank los políticos se preocuparán por el calentamiento global cuando (ser) demasiado tarde.
question 3 with 1 blank cuando las fábricas (contaminar) la naturaleza, la fauna también sufre.
question 4 with 1 blank algunas especies se extinguirán tan pronto como los bosques (desaparecer).
question 5 with 1 blank siempre que (ocurrir) un desastre ecológico, el gobierno actúa con rapidez.

The correct answers are:

1) Llueva

2) Sea

3) Contaminen

4) Desaparezcan

5) Ocurra

Explanation:

The cases given correspond to a tense called Presente del Subjuntivo (Present of the Subjunctive).

This tense is used as a form of the imperative or can also be used in subordinate sentences.

The uses that are given are the following:

To assume something negatively through a present or future probability. For hypothetical situations or present or future consequences. To demonstrate present or future probabilities To give a negative order.

The way to conjugate these verbs, depending on the termination of the verb in infinitive is as follows:

Verbs ending in –AR

They are exchanged for these endings:

Yo:   -e

Tú:  -es

Él / ella: -e

Nosotros/as : -emos

Vosotros: -éis

Ellos/ as : -en

Verbs ending in –ER  and -IR

They are exchanged for these endings:

Yo: -a

Tú: -as

Él / ella: -a

Nosotros/as : -amos

Vosotros: -áis  

Ellos/ as : -an

The question is " what is a true statement about gustavo? 1. he speaks two languages.2. he is short.3. he takes good notes.4. he plays an instrument.i cannot answer which is correct because i do not know the passage, but i have translated the question and answersee or you.

Your answer is 'puedes' hope this