Question

Which of the following sentences are true? Select all that apply.

A linguist must be fluent in at least five languages because the more languages one speaks, the easier it is to study language systems.
Linguists must be able to speak the languages that they choose to study and compare.
It is not necessary for a linguist to be multi-lingual.
Linguists really only need to be able to communicate in two languages
none of these choices