Answer:
In all the world, there (be) <em><u>Are</u></em> only 14 mountains that (reach) <u><em>reaches</em></u> above 8,000 meters.
<span>A.
Half the students were failing the course near the end of the school year.
The sentence is written in passive voice because the course is the subject of the sentence and was being failed is the main verb phrase. The course can't fail. The students are the ones who are failing so to change it you must make the students the subject of the sentence. A is the only option that makes the students the subject.
</span>
She is prettier than her sister.
A myriad of emotions flooded over Dean as Corday spoke.
He finds his panacea in the concrete life of humanity.
The periodicity shows itself in the form of an exacerbation of the still continuing fever
