The B2+ Upper-Intermediate level specifically targets the nuances of natural communication:
Since VK search is not always straightforward, use these steps: collins english for life speaking b2 vk free
series focuses on "authentic English"—the kind people actually use in daily life, complete with slang, varying tones, and social nuances. The B2 Speaking book specifically helps with: Complex Interactions: complete with slang
It includes over 100 model conversations to help students move beyond stiff, formal language. Finding it on VK collins english for life speaking b2 vk free
: Access to over 100 model conversations and practice exercises is included via downloadable audio to help you hear how people actually speak.