Beforeyoubuyabook,you’dbetterread

发布时间：2020-07-26 05:07:35

Before you buy a book, you’d better read the _________ first to see if it is suitable for you．A.introductionsB.explanationsC.directionsD.instructions

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A解析introductions前言；explanation解释；directions说明；instructions指示；命令。
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