Ответ:

  1. The police are coming into our building.
  2. Bill ran home on his way home. Второе предложение на фото размыто; прочтение первой части не вполне определённо.
  3. We ran out of salt, so we went to buy some.
  4. You shouldn’t keep your wallet in your back pocket.
  5. You mustn’t speak with classmates during the lesson.

Ответ: into; [неразборчиво]; out of; shouldn’t; mustn’t.