What (is) she (doing)? 她正在做什么?
解析:{由下句now可看出是现在进行时,现在进行时的结构是be+动词ing}
She (is cleaning) her room now. 她现在正在打扫她的房间。
解析:{因为现在进行时的结构是be+动词ing,所以填is cleaning}
望采纳~~
O(∩_∩)O谢谢
What _is_ she _doing_(do)? She _cleaning_ (clean) her room now.
她在做什么,她正在打扫房间。
is doing is cleaning