[参考答案]对话题型培优练习 Test 18
61. from
62. that
63. orbiting
64. It
65. more likely
66. the
67. where
68. if
69. looking
70. must have started
61. from
62. that
63. orbiting
64. It
65. more likely
66. the
67. where
68. if
69. looking
70. must have started
