Color TV was first shown in 1929. It took more than two decades, ， until 1951, forcolor br
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- 提问者网友：原来太熟悉了会陌生
- 2021-01-02 21:06
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
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- 五星知识达人网友：第幾種人
- 2021-01-02 21:15
解析：可联系答.案.网客服索取。
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- 1楼网友：底特律间谍
- 2021-01-02 22:11
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