又来了几道题哈,反正你们聪明嘛

又来了几道题哈,反正你们聪明嘛
Mary_____part in the singing c______and did very well last Sunday.
Lucy,go to the t______ office quickly.Mr.Zhang is looking______you everywhere.
At the food f____,all of us eat a lot of delicious food.
在横线上填空哈,有的单词前面有字母提示,
不过好像回答的不完整。