Match a word or phrase in A with its meaning in B.
A | B |
1. variety | a. a language which has legal status in a country |
2. bilingual | b. a different type of something |
3. fluent | c. (of circles) having the same centre |
4. concentric | d. able to speak two languages equally well |
5. official language | e. able to speak, read, or write a language, especially a foreign language, easily and well |