Mark was a student at this university from 1999 to 2003, _______ he studied very hard and was made Chairman of the Students Union.
Sonny was the only one of the students who ___ late for class.
My hometown ___ great changes in the past 10 years.
It is impossible for so ___ workers to do so __work in a single day.
She smiled at me ___.
The injured woman ___ the hospital.