Miss Chen is playing the piano.(对 piaying the piano 进行提问

问题描述:

Miss Chen is playing the piano.(对 piaying the piano 进行提问
答案是what does Miss Chen doing?
还是what isMissChen doing

What is Miss Chen doing?为什么what can you do?为什么选择be动词be doing sth 现在进行时,正在做某事,问句Is/Are sb doing sth?do sth 一般现在时,常常做某事,问句Does/Do sb do sth?