Fill in each blank with an appropriate preposition

1. This service is free____________charge.

2. In many ways tou take_____________your mother.

3.This computer is still_________________guarantee.

4.Money is not essential___________happiness

5.Parents are naturally anxious_____________their children

6. We try to prevent people_______________littering

7. I’m going to complain ___________the principal__________this

8. Lan’s alarm clock didn’t go__________this morning,so she got up late.

9. He grew__________a very good player.

10. That tie doesn’t go ____________that suit.

11.Get_______the bus at Third Street and get__________at Broadway.