Ответ:

  • 1 I was feeding my rabbit when my phone C was ringing.
  • 2 What was the baby doing when his mum A was coming in?
  • 3 We were surprised when we saw everyone B sat in silence.
  • 4 Juan didn't say anything when he saw his friend A left.
  • 5 My best friend was crying because B her sister broke her phone.
  • 6 When the teacher came in, the students A weren't working.
  • 7 The girl fell and hurt her leg when she C was running after a chicken.