see- seeing; buy- buying ; stop - stopping ; begin- beginning
1 aren't watering
2 are having
3 Is ,washing
4 Are they doing housework ?
5 Are the students cleaning the classroom ?
Yes, they are .
The students aren't cleaning the classroom .
6 What are you doing in the playground ?
7 Where is Tom reading books ?
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May you be happy every day and make progress a lot !
祝天天开心，学习进步！本题不明白，请再问；
如果对你有所帮助，请点击本页面中的“选为满意回答”按钮,谢谢！
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