— I visited the Purple Mountain Observatory last Sunday.

一 _______ Why didn't you tell me earlier?

根据提示，写出单词，把句子补充完整

- Do you have a soccer ball? 

-                .

2014年3月18日，俄罗斯总统_____同克里米亚及塞瓦斯托波尔代表在克里姆林宫签署条约，允许克里米亚及塞瓦斯托波尔以联邦主体身份加入俄罗斯联邦（  ） 

—Sorry, you can't. Your father has to use it.