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
人气：384 ℃ 时间：2019-11-18 19:28:39
解答
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?
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