06 - Choose the correct relative pronoun to complete each sent...

06 - Choose the correct relative pronoun to complete each sentence. If a relative pronoun is notneeded, write . a) This is Andrew. He’s the guy which / -- I met on vacation in Florida.
b) This is the dog that / who followed me on the beach one day. It turned out to be Andrew’s dog. So I guess it was the dog that / -- introduced us.
c) This is the ticket for the first movie that / who we saw together.
d) This is the necklace who / that he gave me before I left for home. Andrew is someone which /who I’m going to keep in touch with.