Exercise 6. Listen to the audio recording about Care of tires and fill in the gaps.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. Most operators have some of the diesel engine.
2. The tires. should be for as diligently as the engine.
3. Poorly maintained tires the capacity.
4. Engine oil should be regularly.
5. If you ask an operator the recommended tire pressure he does not know.