青岛即墨有没有旅游团:有两个同义句转换怎样改

来源：百度文库 编辑：神马品牌网 时间：2024/05/14 03:36:16
1、I started playing tennis when I was seven years old.
I started playing tennis - - - - seven.
2、He joined the army 5 years ago.
He - - - the army for 5 years.

1.at (the age of)
2.has been in

since
have been a member of

有两个同义句转换怎样改 以下两个同义句怎样转换 句型转换(改同义句） 两个英语同义句怎么改？？？急 改同义句 改同义句 改同义句。 改同义句 改写成同义句 改同义句