In 1776, the United States became the first nation in the world__1__the word "hap
1.();
A. incorporate
B. incorporating
C. to incorporate
D. incorporated
2.();
A. by
B. in
C. with
D. without
3.();
A. large
B. largely
C. larger
D. largest
4.();
A. before
B. when
C. after
D. while
5.();
A. naming
B. named
C. name
D. to name