In Vietnam, children begin their primary _____ at the age of six.
Correct Answer: GET
Here we need a noun, because in front there is a possessive adjective “their” and an adjective “primary”.
A. educationally (adv)
B. education: education
C. educate (v): educate
D. educational (a): belonging to education
Translate this sentence: In Vietnam, children start primary school at the age of six.