—Who’s singing over there — ________ is Sandy’s sister.

—Who’s singing over there — ________ is Sandy’s sister. 1.Who’s singing over there — ________ is Sandy’s sister. 7.Who’s singing over there — ________ is Sandy’s sister. who's singing over there?______is Sandy's sister.A That B It Who is Sandy's sister? 人称代词和物主代词第一题.who‘s singing over there?- _____ is sandy’s sis who is singing over there?———— （ ）is my sister 可以问Sandy's sister is who? 单项选择：Who ________ over there now A.are singing B.sings C.is -who's that over there?-It's Lucy's sister.这里回答为什么要用It's She who is the young man s-- over there who's hat is on the table over there?