The story was very funny. The Math teacher told the story

15.​ The story was very funny. The Math teacher told the story. A.​The story that the math teacher told was very funny. B.​The story which the math teacher told was very funny. C.​The story the math teacher told was very funny. D.​All arecorrect 16.​ The agreement ended 3-month negotiation. It was signed yesterday afternoon. A.​The agreement which ended 3-month negotiation was signed yesterd ayafternoon B.​The agreement which was signed yesterday afternoon lasted3-month. C.​The negotiation which lasted three months was signed yesterday afternoon. D.​The agreement which was signed yesterday afternoon ended 3-month negotiation 17. The tree should be cut down. Its branches are dead. A.​The tree whose branches are dead should be cut down. B.​The tree its branches are dead should be cutdown. C.​The tree where the branches of which are dead should be cut down. D.​A and C are correct. 18. The children were attracted by the show. It was performed by the clowns. A.​The children attracted by the show which was performed by the clowns. B.​The children were attracted by the show to have been performed by the clowns. C.​The children were attracted by the show which was performed by the clowns. D.​The show performing by the clowns attracted the children. 19.​ Tell me the countries. People drive on the left there. A.​Tell me the countries which people drive on the left there. B.​Tell me the countries that people drive on the left there. C.​Tell me the countries where people drive on the left. D.​Tell me the countries when people drive on the left there. 20. The man is my cousin. He is talking to Mike. A.​The man who is talking to Mike is my cousin. B.​The man is talking to Mike is my cousin. C.​The man talks to Mike is my cousin. D.​The man talked to Mike is mycousin.