题目内容
按要求进行句型转换。
The students are cleaning their desks and chairs.(对画线部分提问)
________ ________ the students ________?
答案:What,are,cleaning
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题目内容
按要求进行句型转换。
The students are cleaning their desks and chairs.(对画线部分提问)
________ ________ the students ________?