---WhyhasEnglishchangedovertime?---Thatis________alllanguageschangewhen

发布时间：2020-08-07 09:04:45

---Why has English changed over time?---That is ________ all languages change when cultures municate with one another．A.becauseB.whyC.howD.for which

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A解析词句考查说明原因的表语从句，因此只能用because．
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