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两个填单词的题.5-离问题结束还有14天23小时TheOoflifeonearthisstilllamysterytomanypeopleAlthoughBillGatesisverywheisnotmeanwithhismoney

题目详情
两个填单词的题.
5 - 离问题结束还有 14 天 23 小时
The O____________ of life on earth is stilll a mystery to many people
Although Bill Gates is very w________ he is not mean with his money
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答案和解析
1.origin
2.wealthy