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-What are they doing?-They are a book.A. reads B. read C. reading

编辑:chaxungu时间:2026-04-28 11:35:38分类:小学英语题库

【题目】---What are they doing?

---They are _______ a book.

A. reads B. read C. reading

【答案】C

【解析】根据问句可判断用现在进行时态:be+doing.