同学,为你解答:at the age of=whenwasyears old 如果认可和满意我的回复,请点击【采纳为满意回答】按钮~、 手机提问的朋友在客户端上评价点【满意】即可.~你的采纳是我前进的动力~~~~
at the age of=whenwasyears old 例:He went to school at the age of seven=He went to school when was seven years old
at one's age
at the age of 数字= at one's age=when sb was/were 数字 years old
when sb was five sb指的你题里的人物
When seven years old
When sb. was seven years old,
你好,很高兴回答你的问题,正确答案为:Jim could swim when he was eight.**************************************************************************^__^真心祝你学习进步,如果你对这个答案有什么疑问,请追问,另外如果你觉得我的回答对你有所帮助,请千万别忘记采纳哟!**************************************************************************
i began to learn English at the age of 12同义句转换 I began to learn English when I was twelve years old .
swimming这里转变为动名词的形式. swimminghave/has fun doing(固定搭配)