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湖南省衡阳八中2011届高三第五次月考英语试题
21．Early this year, thousands of migrant _______ workers cancelled their insurance due to the lack of _______ policy to transfer insurance between difference regions．
A．the; the B．the; a C．/; the D．/; a
21．Early this year, thousands of migrant _______ workers cancelled their insurance due to the lack of _______ policy to transfer insurance between difference regions．
A．the; the B．the; a C．/; the D．/; a
