孩子们在家庭晚餐期间表现得非常好。

The children ___behaved perfectly during the family dinner.

自从那场暴风雨后，我的狗一直表现得非常焦虑。

My dog has been ___behaving very anxiously since the storm.

你和朋友外出时请表现得负责任些。

Please ___behave responsibly when you're out with your friends.