Question

How could this sentence be rewritten to maintain a

formal tone?
Kids should really study foreign language to learn
about lots of cultures.
Kids you know you want to sign up to learn a new
language and culture!
Students should take a bunch of classes that allow
them to learn new cultures.
Students should study foreign language to be
exposed to new cultures.

Answer 1

the fourth one (“students should study foreign languages to be exposed to new cultures”)!!! it sounds professional. phrases/words like “kids” and “a bunch” and “lots” do not

Answer 2

Students should study foreign language to be exposed to new cultures.

Step-by-step explanation:

this sentence refrains from colloquial language. this makes it sound more formal than "kids," "really," and "a lot/lots."

it also uses a third person point of view which is more formal than first and second person.