句型转换（共10小题，每空1分，满分10分）
Her schoolbag is under the table. (对划线部分提问)
_        her schoolbag?
My eraser is white. (对划线部分提问)
_        _ is   _ eraser?
His sister has an old bike. (改为否定句)
His sister   _   _ an old bike
That is my book. (改为复数句子)
_           _  my books.
This is an orange cup. It is Lucy’s cup. (合成一句)
This orange cup __ _   _.