I'm sorry.I don't know its name.怎么回答

I'm sorry.I don't know its name.怎么回答 sorry I don't know her last name同义句 sorry,I don't know. Sorry,I don't know I\'m so sorry,I don\'t know i'm sorry ,I really don't know ( )the clock I don't know whether you like ...I'm sorry I'm sorry,but I don't know the answer. I'm sorry .I don't know that girl ___sunglasses I don't know Japanese怎么回答 What does it _____?Sorry,I don't know its ____,e Sorry,I don't know English怎么读?