Play o---- is much more fun than staying at home.其中填o开头的单词.急

填outside（在外面）原句应该是这样吧：Playing【outside】is much more fun than staying at home。因为play表达”玩"的意思时,是个动词,而动词是不能做主语的,需要把动词变成其相应的动名词形式才能做主语句子翻译是：在外面玩比呆在家里有趣得多