Here is the guía para el alumnado de idiomas (PTEC 2018-2019) and Y's summary of the writing tasks. Check out the answers to the last homework exercises. Here are the audios for slide 9, parts one and two, and the audio script. You can also listen to audio 12.10 again and read the audio script. Have a look at how to describe your travelling experience by flight and the classroom notes for Topic 12, groups B, C and D. Then read, read, and read some more!