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often out of date.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?
O by replacing the word "argue" with the word "fight"
O by deleting the entire sentence from the paragraph
O by changing "aren't" to "are not" and "they're" to "they
are"
O by moving the sentence to the end of the paragraph