She is making tea.为什么不说成she si making a tea?make a的用法和意思是什么呢

Tom is ___?A:making tea B:making some tea C:making the tea D making tea 什么意思? tea house is a play by lao she.里面BY的用法 she admitted making a mistake. Can she make tea? She is making the Tom is making tea. 和 Tom is making the tea. 就单独这两句话不看意境,那句话是 1.He is pouring the tea _______ the teapot .2.I'm making a c 英语作文:Making tea topic ：making tea making tea 求作文? Making tea.求作文