Long long ago, there ____ a king. He ____ new clothes very much. There ____ two ____.  They can make magic clothes. ____ people can see it. But foolish people can't. The king ____ through the city with new clothes. A lot of people looked at him and ____. A little boy ____ at the king and ____ "Ha! Ha! The king isn't ____ clothes!"

抗击外来侵略、捍卫国家主权和民族尊严，是中华民族的优良传统。下列图片所示历史事件，能够体现这一优良传统的是（  ）

青春期是人的一生中身体发育的关键期，在这个阶段的身体变化主要表现在（    ）
①身体外型的变化                   ②独立意识的增强
③身体内部器官的完善           ④性机能的成熟 

已知关于x，y的方程组$\left\{\begin{array}{c}x-2y=2a\\ 2x+5y=a-6\end{array}\right.$的解x，y互为相反数，求a的值．

Mr Green ______ near the bus stop.（   ）