they sang a nice song yesterday改为否定句
来源：学生作业帮助网 编辑：六六作业网 时间：2024/07/02 19:58:55
theysanganicesongyesterday改为否定句theysanganicesongyesterday改为否定句theysanganicesongyesterday改为否定句theydid
they sang a nice song yesterday改为否定句
they sang a nice song yesterday改为否定句
they sang a nice song yesterday改为否定句
they didn't sing a nice song yesterday.
they did’t sing a nice song yesterday.