Fill each blank in these sentences with a suitable preposition.
1. I object _______________ going to the movies on weekdays.
2. We got there just _______________ time to see the end of the program.
3. They will come here _______________ noon.
4. You should try to keep up ______________ the other students in your class.
5. I certainly hope that David is aware _______________ all the problems involved.
6. She is often dressed ______________ white.
7. Their house is ______________ the corner of the street.
8. We were much surprised _______________ her sudden appearance.
9. Her father has much influence ______________ her.
10. Both of the men were trying to speak _______________ the same time.