What can super girl doing?为什么选doing不选does或do

What can super girl doing?为什么选doing不选does或do what does he------[do/doing]? what does he like doing?为什么用doing 为什么不能说what does she doing? what does she doing? 提问动词用what……do/done/doing 为什么不用did 可不可以what does 为什么是what is she doing for vacation.而不是what does she do for v What is he doing?,What does the boy do? what are the boy and girl doing 为什么girl前面不加the,为什么填are而不是is What do you_____ after school?这个空填doing,为什么?为什么不填do? What ( C ) Tom doing?A.does B.do C.is What is Jack _____(A.do B.does C.doing)?