按要求改写句子。(14分)
（1）Teachers Day is on__September__10th.(就画线部分提问)
________ ________ Teachers Day?
（2）Santa Claus gives the children presents.(变为现在进行时态)
Look! Santa Claus ________ ________ the children presents.
（3）The girl is playing the piano.(变为一般疑问句)
________ the ________ ________ the piano?