Add the following new words one by one affixed to the following text box.
請每次複製一個生字到下面長形小框，按"enter"鍵，即可練習該生字之筆劃。

知所以隻狗 既然當常車 只 当车

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請鍵入拼音和聲調。 如: dao4
https://dl.dropboxusercontent.com/u/13987853/2015/%E7%94%9F%E6%B4%BB%E8%8F%AF%E8%AA%9E%E7%AC%AC%E4%BA%94%E5%86%8A/game/5%E5%86%8A8%E8%AA%B2/Jeremy_Lin_choose_ball_rocket.swf