他喜欢把饼干浸在牛奶里吃。

He enjoys ___dunking his cookies in milk before eating them.

他在比赛中高高跃起，用双手狠狠地把球扣进篮筐。

He leaped up and scored by ___dunking the ball with both hands during the game.

男孩们在湖边互相把对方按进水里玩。

The boys were ___dunking each other in the lake for fun.