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. anyway         B. therefore     C. otherwise    D. though

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

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·湖南省高三模擬測試卷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·湖南省高三模擬測試卷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