【英语】while be wondered what to do 和while wondering what to do

【英语】while be wondered what to do 和while wondering what to do While I was at a loss what to do, during和while的区别?would you know what to do [during] a really wondering what to do,he smiled at the child what do you believe is a good attitde to take while studying he did a lot for me while I what to do for what's the teacher tell us to do _____ so much noise while t What do you believe is a good attitude to take while studing what was to be done?和 what should they do? do-while和while语句 what to do和how to do wondering what to do,how to play my role,i'll leave it up to