To put the sentence in formal style, which is the best revision to make? changing “undertake” to “go for” changing “it’s” to “it is” changing “investigate” to “check out” changing “job” to “gig”

In order to put the senten in formal style, the best revision to make is changing “it’s” to “it is.” So, option B is correct.

Contractions in texts, turn it into an informal style writing.

Formal language is less personal than informal language. It is used when writing for professional or academic purposes like university assignments.  Formal language does not use colloquialisms, contractions or first person  pronouns such as ‘I’ or ‘We.’ On the other hand, Informal language is more casual and spontaneous.

i agree, but what is the question here?

explanation:

delfino 2: diez in the desert analysis: the story, delfino 2: diez in the desert was really about not giving up! that is basically the theme of the story, and also being more prepared. the plot of the story was about diez, the main character, traveling through the harsh desert with other immigrants. also, that keeping the group alive and getting them to their final destination. the setting of the story took place in mexico in the harsh desert.