He seemed to be looking for the words ____ he could express his idea.
In April, thousands of holidaymakers remained ___ abroad due to the volcanic ash cloud.
Mrs White showed her students some old maps ___ from the library.
___, she is the sort of woman to spread sunshine to people through her smile.
They are broadening the bridge to ___ the flow of traffic.
Film has a much shorter history, especially when ___ such art forms as music and painting.