For me, the two links at the top for the two lessons (cuando y Como ) both direct me to the cuando lesson page
Spanish online reading and listening practice - level B2
Tonina is a classically-trained American musician, journalist and poet from St Louis. She sings in both Spanish and English and one of her songs (in collaboration with Javier Limón) was even named by former US president Barack Obama as a particular favourite. Listen to this poetic and rather melancholy song to practise cuando followed by the subjunctive and como vs cómo (with and without written accent).
Exercise: "Como yo"
Watch the video, then read the transcript. Click any phrase for the translation and links to related grammar lessons which you can add to your Kwiziq notebook to practise later.