To live a green life, we should remember to _________ the lights when we leave a room.
turn on
turn off
turn up
turn down
— Which skirt would you like to choose, the red one or the blue one? — I think the red skirt looks ____.
— What kind of ______ do you like? — I like documentaries.
My sister likes playing ____volleyball while my brother likes playing ___ piano.
A: Would you mind repairing the MP3 player for me? B: ______.
Big Ben is a famous _______in London.