#Pronunciation: Assimilation of /t/ followed by /k/ Tim's back in his pronunciation workshop. This time he's finding out about how the pronunciation of the letter 't' can change when it comes before a word starting with the sound /k/ - and hearing how some Londoners pronounce 'credit card'... For more, visit our website: http://www.bbc.co.uk/learningenglish/english/course/towards-advanced/unit-28/session-5 | BBC Learning English