1. Do you know the girl (who\which\whose) is sitting in front of us? 2. The book (who\which\whose) I read was very interesting.
3. What’s the name of the girl (who\whose\which) brother lives in London?
4. The place (when\where\why) we spent our holidays was really nice.
5. August is the month (when\where\why) we go to the seaside.
6. The computer (who\where\that) I want to buy costs $1,000.
7.Jackson is a boy (who\whose\whom) I met yesterday.