I started doing that a year ago.

我一年前开始这样做。

I moved into the flat a year ago.

我一年前搬进了这间公寓。

A year ago, they got married.

一年前，他们结婚了。

A year ago, we moved to this city.

一年前，我们搬到了这个城市。

A year ago, she started her new job.

一年前，她开始了她的新工作。

A year ago, I met him for the first time.

一年前，我第一次见到了他。

A year ago, I started learning the piano.

一年前，我开始学习钢琴。

A year ago, I was awaiting to hear the results of my college applications.

一年前，我在等待我的大学申请结果时。

About a year ago, an old man got on the bus and said loudly to the driver, Good morning!

大约一年前，一位老人上车，大声对司机说：早上好！

My neighbor installed panels on his roof about a year ago in order to power his hot water.

大约一年前，我的邻居在他的屋顶上安装了面板，以便为他的热水供电。