Look at __eraser on the floor.Whose is it?

Look at __eraser on the floor.Whose is it? Whose is the book on the floor? Whose knife is on the floor?Please pick it up."whose"换成"Who' Whose that book on the floor is?It ---mine.Mine is on the de Look!whose kite is it on the tree?改错 It is on the floor Whose box is it on the floor?(I am not sure)改为宾语从句 look at the paper on the floor,please pick it up 还是 pick the look!() eraser is on the desk,whose is it?A .A B.An C .The D Look at the shirt!Whose is it?---Let me see.Oh it’s ___.A.he Whose book is this?It must___Tom.Look,his name is on the cov Dad,look at the building.It is on fine.