what's she doing for vacation -----she _____(look) after her

what's she doing for vacation -----she _____(look) after her what's she doing for vacation?中文 what's she doing for vacation同义句 what is she doing for vacation?she is visiting her grandmoth 为什么是what is she doing for vacation.而不是what does she do for v She was busy _____ after her mother.(look) What,s.she.doing? --What was she doing?--Ifound her _____ in the room. She takes her dog for _____(walk)after supper Look at Mary's c__and see what she is doing What's Cindy doing ? She is ________with her friends. What is she doing for vacation?为什么要用for额?