(2010·湖南省高三模拟测试卷B卷)22. 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
(2010·湖南省高三模拟测试卷B卷)22. 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
A