It's one's first time to do sth同义句转换It's my first time to take part in the high jump.I took part in the high jump____ ____ ____ ____.
问题描述：
It's one's first time to do sth同义句转换
It's my first time to take part in the high jump.
I took part in the high jump____ ____ ____ ____.
答
at the first time
答
It's my first time to take part in the high jump.
I took part in the high jump【for the first time】