I haven't eaten since breakfast.

　　早飯以后我還沒吃過(guò)東西呢。

　　When's lunch? I'm famished!

　　什么時(shí)候吃午飯？我餓得要死了！

　　Who's getting the lunch?

　　誰(shuí)在做中午飯？

　　They've asked me to dinner.

　　他們已邀請(qǐng)我吃飯。