He used to be a teacher,( A.isn't he B.doesn't he C.didn't he D.wasn't he
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 14:04:21
He used to be a teacher,( A.isn't he B.doesn't he C.didn't he D.wasn't he
used to 的否定形式有两种
didn't use to 或者 usedn't to
这是一个反意疑问句,前面是陈述句,后面用否定句提问,所以C
选C 主干意思是他曾经是一位教师,是一般过去时态
C