Answer: Maps and borders do have positive traits. An example of a positive trait for borders is, they help keep people safe and secure on both sides. A example of a positive trait of a map is, if you get lost you can pinpoint your location and find your destination.
Answer:
transitive because she was guilty
Donald Trump.................
She <span>had been working</span> on the project for 2 days before she finished it. So B is the only right one as it's a continuous action before an action with an exact defining past perfect continuous. Also there's a key word "for" that can help us to find out the tense.