猎人瞄准目标后开了枪。

The hunter aimed at the target and ___fired.

经理因为业绩不佳解雇了三名员工。

The manager ___fired three employees for poor performance.

他点燃了篝火来取暖。

He ___fired up the campfire to keep warm.

老师的鼓励点燃了学生们对科学的热情。

The teacher's encouragement ___ignited the students' passion for science.