When will the single currency be operable?

　　什么時候實行單一貨幣？

　　When's food? I'm starving!

　　飯什么時候好？我快餓死了！

　　I woke up early this morning.

　　我今天早上醒得早。

　　She woke every morning at the same time.

　　她每天早上都在同一時間醒來。

　　He could feel the heat of the sun on his back.

　　他能感覺到太陽照射在背上的熱度。

　　The sun was already up when they set off.

　　他們出發時太陽已經升起了。

　　Unemployment may be an underlying cause of the rising crime rate.

　　失業可能是犯罪率攀升的潛在原因。

　　Early warnings of rising water levels prevented another major catastrophe.

　　提前發出的洪水水位上漲警報防止了又一次的重大災害。