第三节 课文填空。(共15空；每空1分，满分15分)
按照课文填出下列句中缺少的词汇，每空一词。
1. I stayed awake on 86 until half past eleven in order to have a good look at the moon by myself.
2. I am only able to look at nature through dirty 87 88 before very 89 windows.
3. It’s no pleasure 90 through these any longer because nature is one thing that really must
be 91 .
