Fill in each blank with an appropriate preposition

V. Fill in each blank with an appropriate preposition(8 points)

1. It’s very difficult to find work _______________the moment.

2. This service is free _______________charge.

3. In many ways you take ______________your mother.

4. This computer is still _______________guarantee.

5. Money is not essential _____________happiness.

6. She is ______________far the best teacher I have ever had.

7. We try to prevent people ____________littering.

8. I’m going to complain to the principal ____________this.