THE …… OF BETTER LIVING CONDITIONS IN EUROPE HAS LONG BEEN A DESIR...

61. - 100 CAU TRAC NGHIEM TIENG ANH
100 CAU TRAC NGHIEM TIENG ANH

61. The …… of better living conditions in Europe has long been a desire for most of the

countries.

a) necessity

b) congregation

c) association

d) concomitance