季节、月份、日期前一般不加冠词。
If winter comes can spring be far behind?
We have few classes on Sunday.
10.1 is National Day.
表示球类、棋类、三顿饭的名词前通常不加冠词，但乐器前需加定冠词。
What did you have for lunch?
Dinner is ready.
Lets go and watch them play chess.
My elder brother likes to play football.
The boys are learnig to play the guitar.
play the piano
play the violin
