when was he born,do you know?回答为什么不是yes/no开头?do you know能不能放

when was he born,do you know?回答为什么不是yes/no开头?do you know能不能放 Do you know when he was born Were was he born?Do you know? When was your mother born Do you know (合并成一句) 英语句子Do you know when and where he was born?哪个主句? DO YOU KNOW THE YEAR IN ---- HE WAS BORN A.WHEN B.WHICH C.WH when is lunch,do you know?是否必须用Yes,No回答 Do you know when he came back?Yes.At about twelve.I was just Do you know the year in ____ he was born?A.which B.that 为什么 wheb was she born,do you know?可以把do you know放在前面吗?并做解释.tank you,know,was,when,basketball,invented,do do you know when basketball was invented