Question 34: It is imperative____________ towards a solution to global warming before the weather patterns of the world are disrupted irreparably.
– The subjunctive with adjectives such as: imperative (urgent, necessary); necessary (necessary); important (important); advise (advise); ..
S + to be +adj (imperative,…) + that + S + V (bare-inf)…
-Eg: It is necessary that he pass the exam.
=> Answer C (It is imperative that the whole world work to find solutions to global warming before the world’s weather patterns are irreparably disrupted.)