（2014重庆）In Chongqing，you can often see many people dance outside together if it________in the evening．

uildings in the city need repairing, but the one______first is the library

l the truth, if it were not for thefact that you______ my daughter, I would not take such pains to serve you

Here ____！ Where is Xiao Liu？There ____.

On his way home, he found a wallet ___ onthe ground, which he picked up and ____ in his schoolbag.