48. A. plain B. strange C. dirty D. bright
47. A. color B. shape C. appearance D. speed
46. A. find B. remember C. notice D. miss
45. A. Get B. Set C. Advise D. Were
43. A. design B. describe C. give D. explain
42. A. properly B. happily C. separately D. comfortably
41. A. open B. covered C. big D. small
40. A. mobile B. natural C. fixed D. perfect
39. A. what B. how C. where D. whether
38. A. social B. usual C. real D. useful