書寫練習
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把 Games In Class 加到主畫面像 App 一樣全螢幕開啟，沒有瀏覽器工具列。
To play this activity, please log in. Guests can only play activities that are open to guests, and locked community activities.
第一次從主畫面開啟時，可能需要重新登入一次。