Color TV was first shown in 1929. It too
题型:选择题
问题:
Color TV was first shown in 1929. It took more than two decades, _____, until 1951, for color broadcasts
to begin in the USA. [ ]
A. though
B. therefore
C. otherwise
D. anyway
Color TV was first shown in 1929. It took more than two decades, _____, until 1951, for color broadcasts
to begin in the USA. [ ]
A. though
B. therefore
C. otherwise
D. anyway