作业帮③become → be
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/08/23 07:09:12
③become → be
1) I became a teacher in 2000.
I ________ __________ a teacher for _________ _________.
2) The river became dirty last year.
The river _________ _________ dirty for _________ __________.
1) I became a teacher in 2000.
I ________ __________ a teacher for _________ _________.
2) The river became dirty last year.
The river _________ _________ dirty for _________ __________.
I have been a teacher for nine years.
The river has been dirty for two years.
The river has been dirty for two years.