If or When

___________it rains tomorrow, we won't have a picnic.

I will visit my friend _______ I have time.

I will be a doctor ______ I'm older.

We will walk to the store _________ it is near us.

_______ you get back late, I will be angry.

_________I grow up, I will be an astronaut.

________ I get home I will do my homework.

I like reading books. I will go to the library _____ I arrive at school.

______ it’s sunny, Jenny will go to the beach.

________I get tired, I will have an afternoon nap.