The boy is not playing basketball. Is the boy playing basket ball? Yes,he is.No,he is not. What is the boy doing now? Who is playing basketball now? 第二小问差不多,孩子,学长只能帮你到这了. 再问： 我不会对.......提问 再答： what are they doing now? where are they singing? 自己多琢磨琢磨吧，老是这样直接求答案不好。。。。
