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INTERMEDIATE LEVEL
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opinion polls, surveys, studies ☊ 
thăm dò ý kiến ☊
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He dismissed the opinion polls as worthless. ☊ dismiss ☊
Most of the 'don't knows' in the opinion polls came down in favour of (= eventually chose to support) the Democrats. ☊ in favour (of sb/sth) ☊
The government's popularity is declining rapidly, as the opinion polls show. ☊ show ☊