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cat    afraid      shadow    sees     plays     again     takes

      Kitty the cat is lovely. She ____ a walk in the morning. Then she ____ a black shape behind her. She thinks it's a big black ____. She is ____. She runs. The black shape runs too. She stops, the black shape stops too. She runs, the black shape runs ____. “Oh, it's my ____ !”Kitty says. At last, she is happy. She ____with her new friend together.

北京时间2012年12月7日16点18分，日本东部海域发生里氏7.3级地震，震源深度20千米．此次地震的震源位于（　　）

关于堵车，网民戏说：“北京是首堵，成都是成天都堵，重庆是重复的堵，上海是上路就堵，广州是广泛地堵，长春是长年地堵，天津是天天的堵，深圳是深深的堵!”．目前我国大城市经常堵车会带来的环境问题是（　　）