whenDavidistwiceasoldasheisnowhewillbefourtimesasoldashisdaughterJanewillbeinfiveyearstime.
2022-04-21 28次 反馈错误 加入收藏 正确率 : 100%
题目内容：
when David is twice as old as he is now he will be four times as old as his daughter Jane will be in five years time.
优质解答
当大卫的年龄增长到现在的两倍时,他的年龄会是那时候他女儿简的年龄的四倍
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