its time for后面加什么形式

　　In many ways, it was a very modern school for its time.

　　从多方面看，这是当时很现代化的一所学校。

　　The factory closed its doors for the last time in 2002.

　　这家工厂最后于2002年关闭。

　　Now its time for the indispensable stuff.

　　现在是产生真正重要的东西的时候了。