Read the following pasage and decide which answer (A, B, C or D) best fits each space from 1 to 5.

With job vacancies available all year round offering high salaries, Vietnam has been ranked the second best place in the world to teach English by TEFL Exchange, a community for teachers of English ___(1)___ a foreign language.

The site ___(2)___ that a foreign English teacher can earn between $1,200-2,200 a month in Vietnam, where the average annual income in 2016 was just $2,200. They can ___(3)___ a job any time of year and the best places to do so are the country’s three largest cities: Hanoi, Ho Chi Minh City and Da Nang.

Candidates only need to hold a bachelor’s ___(4)___ and a TEFL (Teaching English as a Foreign Language) certificate.

English is an obligatory subject from sixth grade across Vietnam, but in large cities, many primary schools demand high ___(5)___. Foreign language centers have been thriving here, with students as young as three years old.