Ответ:

  • 1 The teacher arrived while we were copying our homework.
  • 2 The dog was running around the park when it saw the cat.
  • 3 My baby brother was crying all morning until we turned on the TV.
  • 4 While Susan was studying, her phone rang.
  • 5 Somebody picked up my phone while I was not looking.
  • 6 What other animals did you see when the lions slept?
  • 7 The children were crying a lot while we were looking after them.