她在六年级时开始学习弹钢琴。

She started learning to play the piano in Grade Six.

我们在六年级时去了博物馆参观。

We visited the museum when we were in Grade Six.

基础教育一般在六年级结束.

Elementary schools generally end at the sixth grade.

我在六年级的初次登场就以失败告终。

My debut in the sixth-grade class production was a failure.

苏珊在接下来的周一回到她在六年级的教学实习中.

Susan returned to her sixth － grade student － teaching experience the following Monday.

苏珊在接下来的周一回到她在六年级的教学实习中。

Susan returned to her sixth-grade student-teaching experience the following Monday.

苏珊在接下来的周一回到她在六年级的教学实习中。

Susan returned to her sixth-grade student- teaching experience the following Monday.