题目内容
根据首字母或中文或音标写出单词的适当形式,每空一词
In the 19th ________(世纪), people had no computers at all.
答案:checked
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题目内容
根据首字母或中文或音标写出单词的适当形式,每空一词
In the 19th ________(世纪), people had no computers at all.