--What do you often do _____ classes to relax yourselves?--We often do eye exercises ,listen to music or do some running around the school.
– Jim enjoys listening to pop music. _______________. .
Don’t leave the room _____ the light on .
Your father used to work in the factory,________?
I used to spend much time ___ TV at home.
We can’t afford _____ such a high price .