What's wrong ___WITH_____your father?
Look!There are many birds ____ON___the tree.
Which is the best sport ___IN___summer?
Do you know where she comes______FROM___?
How many people are there __IN___your family?
Don't read___IN___the sun.
It's time __FOR___lunch.
It's time __TO___go to school.
I often get up __AT__six__IN____the morning.