第一题,原句是陈述句,如下：
1.My sister likes playing the piano.
变为一般疑问句,如下：
1.Does my sister like playing the piano?
第二题,原句是陈述句,如下：
2.My teacher have yellow hair and blue eyes.
变为一般疑问句,如下：
2.Does my teacher has yellow hair and blue eyes?