Many people don't know what to do when ________ with real da

Many people don't know what to do when ________ with real da I don't know what/how/when to do with the problem选择的原因 We don't know what to do. I don't know what to do l don't know what to do. I really don't know -----with it.A .what to do B.how to do 选 MANY 15-year-olds don’t know what they want to be when they i don't know as many people as you do tell me what to do because I don't know when I wish do这是一首歌高 Many people don't want to help others.What do you think? Do you sometimes talk with people you don't know? Don't want to too many people know中文是什么意思