1.We have _____(化学)at half past four this afternoon.
2._________(历史)is my favorite lesson.
3.We play baseball on the ______(操场).
4.I often ________(起床) at six o'clock.
5.The children in the UK ____(放学) and go home at about three o'clock in the afternoon.

1. We have _____(化学)at half past four this afternoon.  
2. _____(历史)is my favorite lesson.
3. We play baseball on the ______(操场).    
4. I often ______(起床) at six o'clock.
5. The children in the UK ______(放学) and go home at about three o'clock in the afternoon.