Unit five billion . native . native . attitude . attitude. attitude attitude . reference . references . refer. Refer to, refer to . system . system. despite. despite . open downs. absent downs. factor. factor based . based . base . base date . back date . back to date . back date back to the . bone. Show . show. sybel sybel, carve. carve. dynasty, dynasty. dynasty, dynasty. variety. variety. major . major. no matter where who what at seta. no matter where who what . is seta . dialect . dialect . means. classic . classic. regard. regard. character. character. graphs. graphs. global . global . affair. affair. Appreciate. appreciate . specific . specific . CE common era. CE common era struggle . struggle . tom . turn point of view. point of view . semester . semester . petrol guess . petrol guess subway . underground. subway underground . apart . apartment pants, pants . big bag equal . equal gap gap demand demand . vocabulary vocabulary. vocabulary, vocabulary . description . description . relate . relate, relate to relate . to korean . korean. danish. danish . landmark . landmark . arabic . arabic . fifteen A.