I don't know what to do (改为含有宾语从句的复合句）

I don't know what to do (改为含有宾语从句的复合句） 改为含宾语从句的复合句 They don't know what to do with themselves. I don't know what to do next.改为宾语从句 What was Nick doing there?Mother didn't know.(改为含有宾语从句的复合句) whose car is that?I don't know.合并为含有宾语从句的复合句 I don't know what to see.(改为宾语从句） I don't know ______ ______ they dont know what to do with themselves 改为含宾语从句的复合句 We don't know what to do.(改为复合句) "what did you do,Tom?"Lucy asked.(改为含有宾语从句的复合句)Lucy asked To what do you like to eat my friends know.（合并成含有宾语从句的复合句） I don't know what to do中what to do是宾语从句吗? when does the train leave?i want to know...（改为含有宾语从句的复合句）幫幫忙