【2012贵州贵阳】When you leave the reading room, you should remember to ______ the lights. A. turn on B. turn down C. turn off
I have so much homework to do that I don’t know ________.
---- You don't know what great difficulty I had _____ to get the two tickets. ---- But the film is really worth_______ twice.
— You should be careful when ________. — Yes, I will. I’d like to know when ________ to have a rest.
The red shirt doesn’t suit you. I think that black one __________good _________ you.
The girl is so excellent that you ________ praise her too much.