1. Is this the farm ________ you visited last week?
A. where B. the one C. on which D. /
2. We came to a place, ________ stood a big tower.
A. which B. that C. / D. where
3. The second is connected with the use ________ the body makes of food.
A. of which B. where C. to do D. that
4. Why can't you realize the part ________ they have played in our life?
A. which B. on which C. when D. where
5. The scientist has made another discovery, _______ I believe is of great importance.
A. that B. / C. which D. why
6. Is this the man ________ you want to have ________
the radio for me?
A. who;repaired B. that;repaired C. whom;repairing D. that;repair