Do you know who you are?Do you understand what has happened

Do you know who are you going___? what do you mean who are you are you understand 还是do you understand 猜猜看Do you know who they are? Do you know who we are? do you know what happened to her,do you know what she happen do you know what happened to them还是do you know what they hap Do you know the difficulty he has ___ (understand) what trav Do you know what was happened to him. What do you suppose has happened to him? Do you know what what do you know