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单句语法填空:按照句子结构的语法性在空格处填入一个适当的词
English has changed ________ time because all languages change and develop when cultures meet and communicate with each other.
答案:over
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单句语法填空:按照句子结构的语法性在空格处填入一个适当的词
English has changed ________ time because all languages change and develop when cultures meet and communicate with each other.