问题: 一道英语选择题,请帮忙具体分析,谢谢!
Mike started writing music_______
A.when at four
B.at the age of four
C.at four age
D.when she was four
请具体分析B和C选项,请帮忙谢谢!
解答:
B is right, at the age of four.
C. should be at four years old
A. should be when he was four
D. should be when he, not she, was four
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