In those days, our _________ concern was to provide people who were stopped by the snow storm with food and health care.
—When did you go to the United States? -- I remember _______ there when I was ten.
I prefer studying English at home ______the match.
We can’t use the machine now, for it _______.
To her surprise, the life she had been looking forward to ________ to be unpleasant.
My advisor encouraged ______ a summer course to improve my writing skills.