1. The boys …………….. came in time to save the boy at the age of 10.
A. whom           B. who         C. which          D. where
2. The book …………….. my father bought yesterday is very interesting
A. who         B. whom             C. which          D. where
3. The men …………….. I met my yesterday evening are my father.
A. whose         B. who       C. which        D. whom

6. This is the stereo …………….. I bought it yesterday is very interesting
A. who     B. whom       C. which         D. where
7. She is the girl …………….. I met you at the party last night.
A. whose      B. where          C. which       D. whom