Stevehasdonehishomework________

发布时间：2020-07-28 15:51:30

Steve has done his homework ________, but Kathy hasn't done hers ________.A.already, yetB.already, alreadyC.yet, yetD.yet, already

网友回答

A解析already和yet都有“还，直到现在还”之意，一般用于现在完成时态already一般用于肯定句，yet一般用于否定句和疑问句；ever“曾经”；never“从来没有”。
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