【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.
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.