The key answer of exercise 14
The key to exercise solutions in chapter 9.2 - It's a mystery! for the textbook New Total English Upper-Intermediate - Students' Book with authors Araminta Crace and Richard Acklam from Pearson Education
Question
Listen and check your answers.
Answer
- The householder had set up a webcam which started recording when it detected movement and then sent the pictures automatically to a private email address.