Color TV was first shown in 1929. It took more than two decades, ________, until

Color TV was first shown in 1929. It took more than two decades, ________, until

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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
答案
A
解析

举一反三

Culture shock is a feeling________most travellers experience in a foreign country________they
find the culture is quite different from that of their own.
A.that; whichB.that; whereC.when; whereD.which; which

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It" s quite a time    Yao Ming got injured, but it won" t be long  he returns to________the court.
A.since; beforeB.after; whenC.before; sinceD.that; when

题型:不详难度:| 查看答案

—I don"t think______was reported in yesterday"s newspaper is true.
—Neither do I.
A.whatB.thatC.anythingD.which

题型:不详难度:| 查看答案
We don’t doubt _____ he will succeed in the research work.
A.thatB.whetherC.howD.what

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-You won’t go to Mary’s birthday party, will you?
-Yes,        I’m invited.
A.even if B.unlessC.ifD.though

题型:不详难度:| 查看答案
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