He finally refused to ________ his plan of travelling the world.

It was a rare occasion________my badtempered father reacted calmly to such a situation. [ ]

In the last few years thousands of films ________ all over the world.

Have all the students known that our class will visit the factory this afternoon—Yes. Every student______ about it.

_____no doubt that someone _____ the wooden box containing the most precious treasures fromthe carrier under the cover of darkness [ ]