---What'sLilydoing?---Sheis______aletter.A.writeB.writingC.writeingD.writ

发布时间:2020-08-07 01:46:05

---What's Lily doing?---She is ______ a letter.A.writeB.writingC.writeingD.writes

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B解析由上句知道这是现在进行时的句子,其结构为“be+现在分词”,write的现在分词是writing,故选B.
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