I can't understand ( ) the boy alone last night. A.why she l

I can't understand ( ) the boy alone last night. A.why she l I can not understand why she left the boy alone . I can not understand （ ）the boy alone?A why she left B why d I can not understand ______ the boy alone.A.why she left B.w 宾语从句的选择题目,9.I can't understand _______ the boy alone.A.why s I can't understand_____the boy along A why she left B why di Why she didin't come to the party last night. I don’t think the boy can understand it.He is _____ young.A. she ask me--go to her house last night A.why was not I B.why I can't understand ()she talked me why didn't alice come to the party last night?I don't know w why didn't alice come to the party last night? I don't know