Although many modifications have been ma
题型:单项选择题
问题:
Although many modifications have been made in it, the game known in the United States as football can be traced directly to the English game of rugby.
A.rules
B.changes
C.demands
D.leagues
Although many modifications have been made in it, the game known in the United States as football can be traced directly to the English game of rugby.
A.rules
B.changes
C.demands
D.leagues