Read the passage. (1) i think that schools should switch from using paper textbooks to using computer tablets. (2) textbooks were effective in the pre-digital age, but now we live in a technology-based society, so schools need to get with the program and adopt a modern approach to learning. (3) in fact, the chair of the federal communications commission said that "it’s time for the next stage” of learning with tablets and pointed out how textbooks are often out of date. (4) opponents argue that tablets aren’t a good choice because initially they’re very expensive. (5) the secretary of education pointed out that tablets can be updated regularly, which saves money in the long run. (6) not to mention the pluses of having the latest and greatest info! (7) many experts agree that switching to tablets is important for the future of education.

how should the writer revise sentence 4?

by replacing the word “argue” with the word “fight”
by deleting the entire sentence from the paragraph
by changing “aren’t” to “are not” and “they’re” to “they are”
by moving the sentence to the end of the paragraph

C. by changing “aren’t” to “are not” and “they’re” to “they are”

One thing to always keep in mind when writing for academia is that writing should always be professional, and it should always be formal.  What does this mean?  Well, contractions are actually considered to be informal.  As such, whenever you are writing anything for school, consider it a formal/professional text and avoid the use of contractions. 

its d because i know

the metamorphosis is based on an evident father-son problem. this story shows, as a result of the unthinkable transformation of the son in an insect, the deformation and destruction of the individual caused by the authoritarian and hierarchical structures of the family. the narrative begins with the transformation into an insect of enormous proportions of the traveling salesman gregor samsa, a lonely, introverted and submissive, who keeps his family with his work. when he worked, he was appreciated by everyone, but, now that he can not work, he is despised, especially by his father, but this is going to be joined, painfully for the protagonist, first his mother and, finally, his own sister, grete, with whom he had held a special relationship of complicity and affection for many years.

condemned by a deep sense of responsibility, gregor fears the reaction that his frightful aspect will incite in his family. he feels guilty for not being able to continue being useful to the beings he maintained. his own family, however, is ashamed and runs away from him, and even tyrannizes and resists him. the father, of a severe and despotic character, humiliates him and treats him with great cruelty. all his attempts to escape from the confinement to which he is subjected in his own room fail before the hostile rejection of the beings that surround him. prisoner in his lair and unable to continue playing the only function of making money he had, finally chooses, with the consent of his parents and sister, to die of starvation. with this, he is freed from a servile and unhappy existence. the family appreciates gregor while he fulfills the interests. but when he is unable to continue earning money, it becomes a problem, a shame, and family relationships begin to become tense, until coexistence becomes impossible.