从括号中选择合适的单词填空,完成句子。
1.My hands are ____________ (clean/dirty). I need to wash my hands.
2.It's twelve o'clock. What's for __________ (breakfast/lunch)?
3.Li Ming ___________ (need/needs) to eat some vegetables.
4.The dinner ____________ (look/looks) so good.
5.May I ___________ (help/helping) you?