a busy day的用法和样例：
- I don't wonder you're tired. You've had a busy day.
- Try to get some rest,you have a busy day tomorrow.
- We have a busy day tomorrow, don't we?
- After a busy day, the lady felt tired but happy.
- I don't wonder you're tired.You've had a busy day.
- I must turn in. Tomorrow will be a busy day.
a busy day的相关资料：