My brother began to work when he was sixteen. My brother began to work ---- ---- ---- ---- sixteenHe is the oldest teacher in the school.He is ----- ---- ---- ---- teacher in the school.

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/29 15:38:56

My brother began to work when he was sixteen. My brother began to work ---- ---- ---- ---- sixteen
He is the oldest teacher in the school.
He is ----- ---- ---- ---- teacher in the school.

at the age of

1.at his age of