Which revision of this sentence best creates parallel structure?

to prevent further outbreaks, doctors identified the carriers of the disease and isolating them from the general population.

to prevent further outbreaks, doctors identified the carriers of the disease and isolated them from the general population.

to prevent further outbreaks, doctors identified the carriers of the disease and to isolate them from the general population.

to prevent further outbreaks, doctors identifying the carriers of the disease and isolating them from the general population.

preventing further outbreaks, doctors identified the carriers of the disease and isolating them from the general population

Which sentence best contrasts two things? a. air travel, like bus travel, is a fun way to get from one place to another. b. air travel is a fun and relatively easy way to get from place to place. c. both bus travel and air travel require substantial planning. d. air travel is much more expensive than bus travel.

Read this excerpt from “what i hope to leave behind.” for a number of years it took so much vitality to keep the home going, and that home represented so many different kinds of activities, that none of us had any urge to go outside of this sphere. if “what i hope to leave behind” was the subject of a class discussion, why might paraphrasing this sentence be ? you could analyze the key themes while also staying true to the original language. you could summarize the key ideas, which would shorten the length of the excerpt. you could use your own ideas and concepts, which would add important information. you could rephrase it in your own words, which might clarify the meaning of the excerpt.

Is the group of words a simple sentence, a compound sentence, or a run-on sentence? jan went on a quiz show, won two hundred dollars, and bought gifts for her family. a. run-on sentence b. compound sentence c. simple sentence