看到蛇时，他开始恐慌起来。

He began to ___panic when he saw the snake.

突然的停电让整个教室的学生都惊慌失措。

The sudden power outage ___panicked all the students in the classroom.

听到雷声时，小狗突然惊慌起来。

The little dog felt a sudden ___panic when it heard the thunder.