fill in the blanks with the suitable pronouns.
1.The floor is dirty.Mother is sweeping_____.
2.Mary is a nice girl._____is my classmate.
3.Here is Miss Lee,our class teacher,we all like_____.
4.Here are your sandwiches.Put______in your schoolbag.
5.Come in,boys,and find______a seat.
6.Tom,Mary and I often go to the playground.______play hide-and-seek there.
7.Good morning,children!______may sit down now.
8.I am looking at______in the mirror.