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| How old are they? | |
| 引用本文： | 周子豪.How old are they?[J].英语辅导,2003(29). |
| 作者姓名： | 周子豪 |
| 摘 要： | A farmer has five sons.They are Ted,Bob,Tom,John and Bill.John has no elder brother.He was four-years old when his younger brother was born.The number of Tom's elder brothers is equal (相等)to his younger brothers.Bill will |
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