He is having a Music lesson(主语改为复数形式)
问题描述：
He is having a Music lesson(主语改为复数形式)
答
he不就是they,is就变are。
答
你好:
They are having a music lesson.
a music lesson 前面有冠词的
答
They are having Music lessons
答
主语 He 复数？！they?
They are having a Music lesson