our ball is under the table.用（behind the door ）改选择疑问句最好说一下相关句型 _______your ball under the table _____behind the door.

our ball is under the table.用（behind the door ）改选择疑问句最好说一下相关句型 _______your ball under the table _____behind the door.
our ball is under the table.用（behind the door ）改选择疑问句
最好说一下相关句型 _______your ball under the table _____behind the door.

our ball is under the table.用（behind the door ）改选择疑问句最好说一下相关句型 _______your ball under the table _____behind the door.
Is your ball under the table or behind the door ?

Is your ball under the table or behind the door ?

Is our ball under the table or behind the door???