Fill in prepositions or adverbs if necessary: 1. there are some

Fill in prepositions or adverbs if necessary:
1. there are some fruit trees ___front___my house.
2. can you answer ___your teacher is question?
3. do you have a room ____our own?
4. you may ring me ____tonight.
5. my sister often likes to listen____the music___Chopin____her bedroom.
6. May I go___?
7. the children may go___ the skating-rink_____ten___the morning.
8. how much money I pay ____ the cottage?
9. ____the left ___ the love-seat you can see a standard-lamp.