“空气”用英语说是____.

如果∠1和∠2互为补角，且∠1＞∠2，那∠2的余角为（　　）

He         to me that he had to leave right away.

阅读《登飞来峰》，要求完成下面题目。
                                                                                                                                       登飞来峰
                                                                                                                                        （宋）王安石
                                                                                                                     飞来山上千寻塔，闻说鸡鸣见日升。

                                                                                                                     不畏浮云遮望眼，自缘身在最高层。