51. A by B to C on D at
52. A. environments B foods C colors D drinks
53. A. laces B chances C times D posts
54.A stay B pick C grow D get
55. A our B your C his D their
56. A hands B arms C hopes D happiness
57. A run B reduce C take D regard
58. A accepted B stated C reached D faced
59. A drinking B spraying C splashing D working
60. A that B what C which D some
61. A way B order C route D place
62. A burden B penalty C suffering D difficulty
63. A reasons B courses C facts D factors
64. A after B since C in D from
65. A concern B area C theme D celebration
