Who was “hamburger steak” invented by, according to paragraph 3?

 they are forced to learn it

they have to study their own languages

 it is included in their study courses 

 English can give them a job

 hearing the languages in the office

talking with foreigners

watching videos only

working hard on their lessons

such foreign languages as French, German, and Spanish

 their own language and no foreign language

English as a foreign language

English and mathematics only

English is useful only for teenagers

 English is popular all over the world

only adults learn English

no children like to learn English

most of their books are in English 

it helps them in their work

English is spoken in their office 

they want to go abroad

Hamburger was first served in Germany.

Sailors brought hamburger steak to New York.

Tartare stake became popular in the 17th century.

Minced beef appeared in the 15th century.