It is often said that the joy of traveling is ______ in arriving at your destination ______ in the journey itself[ ]

ll cost a lot of time ____ , Ithink we shall need it and it will certainly be useful

What is Mr Zhang doing—He is writing some English words ______ the blackboard ______ chalk.

There is a new problem involvedin the popularity of private cars __________ road conditions require __________

She will stop showing off if no notice ______ of her.