It is one thing to enjoy listening to good music, but it is _______ another to play it well yourself.
Whoever leaves the room last must ______ that all the lights are turned off.
--- I haven’t got a mobile phone. --- I think you should have ______. It’s useful for you.
Babies enjoy ______ before they go to sleep.
–Mum, I have been admitted into Hong Kong University. --Well done! ____________.
You ____ television. Why not do something more active?