America will never again have as a natio
题型:选择题
问题:
America will never again have as a nation the spirit of adventure as it ______ before the West was settled.
A.has
B.did
C.was
D.would
America will never again have as a nation the spirit of adventure as it ______ before the West was settled.
A.has
B.did
C.was
D.would