I. Fill in the blanks with suitable preposition.(in/on/at/from ...)
1. They often go swimming .....on....... Sunday .
2. The  meeting will last ......from........... 7 a.m ..........to...... 5 p.m .
3. She will be 13 ........in......... her next birthday .
4. We are playing chess ..at.............. the moment .
5. It's often rainy ......on......... july.