问题描述：
用a、an、the填空
This is___picture of my house.___house is behide ___gym.___desk is beside___bed.___old man is near___bed.He is my grandfather.How many people are therein___picture?Only one.But thereis___dog?It's under___chair.
This is___picture of my house.___house is behide ___gym.___desk is beside___bed.___old man is near___bed.He is my grandfather.How many people are therein___picture?Only one.But thereis___dog?It's under___chair.
问题解答：
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