Complete the sentences with the correct prepositions.
1. We have to use knife and fork ..... dinner.
2. There is a British tradition ..... having afternoon tea at 4 p.m.
3. She was very conscious ..... her lack of experience on her first day at work.
4. He has a new solution .... the problem.
5. Nobody helped him. He managed it ....... his own.
6. The drivers ..... London kept their cars ...... the left.
7. The summer holiday is coming. We are all excited ..... going .... a long trip ...... the South.
8. The children were amazed ........ the lion show at the circus.
9. Her small garden looks very beautiful in spring because all the flowers are ..... full bloom.
10. In our district, it's the custom ....... residents to sweep the streets on Saturday mornings.