. Fill in the missing prepositions.
1. Keep those medicines ................. .................. the children’s reach.
2. Did you succeed .....................solving the problem?
3. Did she send you a postcard ....................your birthday?
4. They emigrated .....................Canada .....................America to find work.
5. He’ll come .....................to pick you ..................
6. Snow is falling all ......................the country.
7. The secretary took a message .....................her boss.
8. Will you pick me .................... ..................the party?
9. She is talking .....................her boyfriend ...................the phone.
10. My mother often goes to work ....................foot.