请教这个句子.do you happen to know if she left a message?

请教这个句子.do you happen to know if she left a message? Do you happen to know ( )? I want to know__ A.what do you happen B.if she do you know what happened to her,do you know what she happen I had know,if you have a dream give it a chance to happen,ou 1the,if,you,know,to,send,please,don't,a,text,how,how,message you don't happen to know the time,do you A :Do you happen to know what's on after the news B:-------- Do you happen to know who her doctor is?翻译 英语翻译Do you happen to know what her address is?这里的happen to C To give you a message,see if you Do you know ________ back soon?A．when she will come B．if she