1. "Do you remember the time (that) Max came to school with green hair?" 2. "Marie, whose brother is in the football team, also plays football well." 3. "Segovia, where my dad's from, is a very nice town." 4. "Have you read the essay (that) I wrote?" 5. "German, which my mum speaks, is the most widely spoken native language in Europe." 6. "This is the email (that) I sent yesterday." 7. "That's the school (that) I went to when I was five."