-Who is singing in the next room.-_ must be Marie A.It B.She
-Who is singing in the next room.-_ must be Marie A.It B.She
WHO's singing in the next room?is that ann it___ be her .she
who is singing in the next room?_____must be Maria.空格应该填It还是
helen is singing in the next room .-It--be helen.she has gon
Iisten!Helen is singing in the next room.It ( ) be Helen.She
who is singing next room?is it Maria?no ,it ?be her.she is s
Tom go to see who () in the next room.A.is singing B.was sin
Listen,Mary is singing in the next room.That ___ be Mary.She
who is singing in the next room 为什么who 后面要跟 is singing?
Listen!Who is singing in the next room?这里为什么要用singing
Someone is singing now.Who ()it be?A.must B.should C.can D.w
1..Listen!A boy in the next room.A.sings B.is singing C.sang