Mark was a student at this university from 1999 to 2003, ____ , he studied very hard and was made Chairman of the Students' Union.
Being determined is a kind of quality and that’s ________ it takes to do anything properly.
Before making your speech, you’d better ________ your thoughts and ideas.
—Did you remember to give Jenny the money? —Yes. ________ I saw her, I'm sure.
________ , the idea of having to work under a woman defeated him.
________ everyone else wouldn’t go to the mountain area, he went without a second thought.