Choose the correct preposition This laptop isn't stock. It's very expensive to get a laptop repaired if it's not guarantee. The shop assistant exchanged my broken printer a new one. The PC was delivered free charge. I don't know what's wrong my PC.
Задание

Choose the correct preposition

  1. This laptop isn't
    [with|in] stock.
  2. It's very expensive to get a laptop repaired if it's not
    [with|under] guarantee.
  3. The shop assistant exchanged my broken printer
    [for|from] a new one.
  4. The PC was delivered free
    [of|on] charge.
  5. I don't know what's wrong
    [at|with] my PC.