For the new country to survive, ________ for its people to enjoy prosperity, new economic policies will be required.
B
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________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.
Wemust______thattheexperimentiscontrolledasrigidlyaspossible.
Seniormembersofthestaffcompetedeagerly________thepositionofsalesmanagerinthecompany.
Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.