人教版七年级英语上册Unit3Is this your pencil？SectionB3a-Self Check第5课时课件
1. Her erasers are in the bag. Are her erasers in the bag?
2. They’re my sisters. She is my sister.
3. Her pencil box is on the desk. When is her pencil box?
4.Tim, is this your eraser? Yes,it is.This is not my watch
