Directions: This question presents a sentence, all or part of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

Because of the mishap, toxic smoke was released, and the residents of several areas had to be relocated to an military base from their homes 15 kilometres away.