根据需要填入适当的介词。
1. This is a photo ________ my family.
2. I don't think he is ________ home ________ this time.
3. We don't have any classes ________ Wednesday afternoon or ________ the weekend.
4. I get to work ________ seven ________ the morning ________ Monday.
5. His birthday is ________ June 8. Mine is ________ September.