(2016·湖北省八校高三第一次联考)语法填空
China will allow all couples to have two children，__1__(give) up its decades－long one－child policy，the Communist Party of China (CPC) __2__(announce) after a key meeting on Thursday.
The change of policy is intended to balance population development and meet the challenge of an aging population，according to a communique (公报) __3__(issue) after the Fifth Plenary Session of the 18th Communist Party of China (CPC) Central Committee held from Monday to Thursday.
