[参考答案]短文题型培优练习 Test 15
61. in
62. Although
63. indirectly
64. is happening/happens
65. renewable
66. making
67. Not having
68. installed
69. Since/As
70. which
61. in
62. Although
63. indirectly
64. is happening/happens
65. renewable
66. making
67. Not having
68. installed
69. Since/As
70. which
