He becomes very ___________ in French after three years in Paris

He becomes very ___________ in French after three years in Paris.
 A. smooth B. fluent C. easy
 2. We need more projects to ___________ cultures of ethnic minority groups.
 A. achieve B. adjust C. preserve
 3. You will learn to ___________ an honest man.
 A. discover B. appreciate C. possess
 4. Moving to France was a big thing, but I could finally ___________ to the new environment.
 A. adapt B. adopt C. attend
 5. In the past many people were ___________; they couldn’t read and write.
 A. responsible B. enthusiastic C. illiterate