responsible

https://tts.langeek.co/read?text=cmVzcG9uc2libGU&hash=fa6ea91b6ad39bd2d9660d20e44f7ef66a60cbf3&lang=en&cache-only=0&driver=googletts

Here you will find the vocabulary from Unit 4 - 4E in the Solutions Elementary coursebook, such as "responsible", "afraid", "popular", etc.