Look! The students _____ the classroom.A. cleaning B. are cleaning C. are clean
题型：不详难度：来源：
Look! The students _____ the classroom.
A. cleaning B. are cleaning C. are clean |
答案
| B |
解析
试题分析：句意：看！学生们正在打扫教室。根据look可知正在看，此处用现在进行时be doing.故选B。 |
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