When I tried to find _________that prevented so many people from taking part in the program, it seemed to me that there were two main reasons.
.It’s the sort of work that ____a high level of concentration.
American Indian ______ about five percent of the U.S. population.
Her shoes ______ her dress; they look very well together.
The meal over, the managers went back to the meeting room to ______ their discussion.
.I used to quarrel a lot with my parents, but now we ______ fine.