Incorrect!

What should you do when you're approaching traffic lights that have been green for some time?

Accelerate hard
Maintain your speed
You selected this answer
Be ready to stop
Correct answer
Brake hard

DVSA theory test explanation

The longer traffic lights have been green, the sooner they'll change. Allow for this as you approach traffic lights that you know have been green for a while. They're likely to change soon, so you should be prepared to stop.