题目内容：

英语改一般疑问句,对划线部分提问 做出肯定和否定回答
1：l am cleaning the room 划线：cleaning the room
2：the boy is swimming at the pool 划线：at the pool
3：his mother is making dinner 划线：dinner
4：we are visiting the teacher 划线：teacher
5：they‘re going to Canada 划线：to Canada
6：her father is writing 划线：writing