Suddenly,all the lights in her house went .
The 2014 Summer Youth Olympic Games will be held ________ August in Nanjing.
I like apples. _______ apple a day keeps the doctor away, you know.
– What else should we pay attention to _______ building the bridge?--The change of the weather, I think..
The book Alice In Wonderland is very interesting. I ______ it twice already.
–Mr Wang, could you tell me how long _______ the magazines? –At most ten days.