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【答案】it was not until 1920 regular

作者 eb/分类 知识竞赛/发布于 2021-07-01
114

题目:
it was not until 1920()regular radio broadcast began. A:while B:which C:that D:since 答案:C:that 解析:It was not until 1920 that regular radio broadcast began. 直到1920年,才有收音机. that引导not until的从句,为:It is not until…that…句型,意思是:直到…才…

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