我的电脑突然停止工作了。

My computer suddenly ___stopped working.

老师迅速制止了打架的学生。

The teacher quickly ___s-s-stopped the students from fighting.

我们在去机场的路上停下来加了点油。

We ___stopped to get some gas on our way to the airport.

他用软木塞堵住了试管口，防止液体溢出。

He ___stopped the test tube with a cork to prevent the liquid from spilling.