学帮网--------the age of twenty,he had written two books.A.At B.On C.By D.from其中该选哪个呢?要说明理由哦~
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--------the age of twenty,he had written two books.A.At B.On C.By D.from
其中该选哪个呢?
要说明理由哦~
C.By
by the age of 截止...岁；到……年龄时
这个时间状语一般用于过去完成时,后半句had written ,所以选C
C. By
选C ，到20岁为止，他已经写了两本书。
by与完成时态连用。
who couldn't see anything at the age of
Jim couldn’t swim at the age of five-------- ---------/
at the age of
at the age of
at the age of
from the age of ..
in the age of the Internetin the age of
in the age of by the age of at the age of的区别in the age ofby the age ofat the age of的区别
英语at the age of?at the age of?
by the age of,at the age of的区别?
翻译 at the age of
at the age of=?
翻译：at the age of
at the age of造句
at the age of=
at the age of five
THE AGE OF UNCERTAINTY怎么样
THE AGE OF INNOCENCE怎么样