they can see the biackboard and door （in the picture）对括号部分提问
问题描述：
they can see the biackboard and door （in the picture）对括号部分提问
答
Where can they see the blackboard and door?
In the picture.(They can see the biackboard and door in the picture.)
Where 哪里，提问地点的疑问词
WHO谁，提问人物的疑问词
.......
答
为你解答。
They can see the blackboard and door （in the picture）. （对括号部分提问）
Where can they see the blackboard and door?
他们在哪里能看到黑板和门？
答
Where can they see the blackboard and door?
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