D - 3A (Q. No. 38-42) Choose the correct form of the words given in the brackets to complete the passage. 5x1=5 Copper is believed to be the most..... (38) (use) metal. It is used in (39) (electricity) cables because of good .....(40) (conductive). It is ....(41) (mix) with gold in making ornaments. Copper is (42) (benefit) for health and people use copper plates and glasses in their dining. 38. Ans: ... 39. Ans: ... 40. Ans: .. 41. Ans: 42. Ans: .....