It is hard for developing countries to advance due to what some call the ".
Question 1:
It is hard for developing countries to advance due to what some call the "....... drain." The developing country's best and*^*the brightest are often hired to work in other countries for higher salaries than are available in their home countries. This,*^*in turn, leaves the developing countries with less talented and smart people to help them advance.
A.talent
B.brain
C.winner
D.cream
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