3.
A: Do you know he likes cleaning?
B: Really?
.
A: Do you know he likes cleaning?
B: Really?
I
don't
know
he
likes
cleaning
.
A: ±×°¡ û¼Ò¸¦ ÁÁ¾ÆÇÑ´Ù´Â °Å ¾Ë¾Æ?
B: Á¤¸»? ³ ±×°¡ û¼Ò¸¦ ÁÁ¾ÆÇÑ´Ù´Â °É ¸ô¶ú¾î.