老师把今天的作业写在白板上。
The teacher wrote today's homework on the white ___board.
从黑板上抄写句子。
Copy the sentences from the ___board.
他们正在一起玩桌游。
They are playing a ___board game together.
孩子们在棋盘上下国际象棋。
The children are playing chess on the ___board.