Fill in the corect relative pronoun. What part of sentence is each, subject or object?

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Fill in the corect relative pronoun. What part of sentence is each, subject or object? Write S for subject and O for subject, then state if the relatives can be omitted or not in the box provided.
1. What colour in the dress......... you're going to wear toinght?           S / not omitted
2. the ploice arrested the man........ was driving dangerously.
3. the parcel......... is on the table is your birthday present.
4. we will ask the man......... delivers our milk to leave an extra bottle.
5. Is she the person.......... gave you this CD?
6. we spent our holiday in a small town........ is near the sea.
7. the man....... married Kate is an actor.
8. where are the shose........ I bought this morning?
9. I still write to the old lady........ I met five years ago.