Read the sentence.

before attempting to undertake a career in the film industry, it’s important to investigate the skills and qualifications required, as one should with any job.

to put the sentence in formal style, which is the best revision to make?

a. changing “undertake” to “go for”
b. changing “it’s” to “it is”
c. changing “investigate” to “check out”
d. changing “job” to “gig”

b. changing “it’s” to “it is”

Informal writing uses contractions. To get rid of this informal writing, the author must change to a formal styles. The correct choice is "it is". This eliminates the contraction "it's". The other options only make the writing informal. The words "undertake", "investigate", and "job" are specific and create a formal tone. Switching them for "go for", "check out" and "gig" would make the writing too informal for its purpose.

b. changing “it’s” to “it is”

Informal writing uses contractions. To get rid of this informal writing, the author must change to a formal styles. The correct choice is "it is". This eliminates the contraction "it's". The other options only make the writing informal. The words "undertake", "investigate", and "job" are specific and create a formal tone. Switching them for "go for", "check out" and "gig" would make the writing too informal for its purpose.