Who's this?

Who's this? who's this boy? Who's this?... who's this的中文 -()?-This is Chen Jie spaking.A Who are youB Who's this C Who's that 改错Who's book is this?（） 改错 Who's book is this? This is Ben( ).Who's that,please who`s this man in the picture? Who' s this?的意思是什么? Who's this?该怎么回答? who's this over there?改错 ____ this in the picture?a 、who b、who's [ ] this If's soda.A:wHAT B; wHAT'S c; Who D:Who's ______book is this?It s mine.A who B who's C whose D whose's ____is this blouse?______knows?A、Who's;WhoB、Whose;Who'sC、Who;Who'sD、Whose;Who说出为什么 who else's pen is this?的同义句 whose else=who else’s吗? ________ bike is this?B:It’s mine.A.whose B.who C.who’s