题目内容
7. —She's already returned from Shanghai , ？
—No. She will come back tomorrow.
A. isn’t she B. hasn’t she
C.doesn’t she D. has she
7. B
7. B由returned可推出She's是She has的缩写，是现在完成 时;根据反意疑问句前肯后否的原则用hasn’t she。故选B.
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