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How to use suffixes -less and -free


source: BBC Learning English    2015年8月10日
Are e-cigarettes harmless or do you think all public places should be smoke-free? Catherine and Neil listen to a politician and talk about the suffixes -free and -less in this episode of 6 Minute Vocabulary.
For more English language teaching materials: http://www.bbc.co.uk/learningenglish