Ответ:

4. Correcting sentences:

  1. What time do you arrive in London?
  2. Taxis are expensive, but I always catch a taxi to town. (No mistake found)
  3. I usually arrive home at 4.40 in the afternoon.
  4. Take a map with you so you don't miss your way. (No mistake found)
  5. My mum arrives at work at nine o'clock.
  6. Joe is waiting for the bus at the bus stop.
  7. The plane arrives in Italy at ten o'clock.
  8. Sally usually walks to school on foot.