73
Lesson 73 of 100 · Community Helpers
Librarians and the World of Books
Crossing guards help us cross the street safely. They hold up signs and make sure cars stop for us.
Key Facts
1
Firefighters put out fires.
2
Police officers help people.
3
Doctors help us feel better.
Check Your Understanding
Question 1
1 of 2Who helps us learn at school?