【2014年山东省临沂市中考】Mike went to the library ________ some books yesterday.
My sister spends too much time ______computer games.
Teenagers _______ allowed to drive in the street .
I don't know _______.Can you tell me________?
That's very kind ______ you. I know it's very hard _______ you to do that.
David used to _____________ in the afternoon.