The boy started to learn English at the age of ten .(变为同义句）The boy___________English since he _______________.
问题描述：
The boy started to learn English at the age of ten .
(变为同义句）The boy___________English since he _______________.
答
The boy__has been learning__English since he __was ten(years old)___.
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答
为你解答。
The boy started to learn English at the age of ten .
The boy （has been learning） English since he （was ten years old）.
这个男孩从十岁起就开始学英语了。
答
The boy(has been learning ) English since he (was ten years old ).
答
has learnt
was ten