С Complete using the correct form of the words in the box.

plug • turn • carry • narrow • put • work • come • break

1. A lorry had ______down on the motorway and we had to wait for over an hour.
2. I have ______it down to two computer games, but I still can't make up my mind.
3. I wish you would ______the TV off and go outside and get some exercise.
4. Scientists are trying to ______out ways to reduce pollution from aircraft.
5. Tomorrow, we will be ______out an experiment to test this theory.
6. Who ______up with the idea of the ball-point pen?
7. I'll just ______you through to our research department. Please hold on.
8. No wonder the vacuum cleaner isn't working. You haven't ______it in!