问题描述：
I have three________（friend) at school.
They________（be）my parents.
Some________(thing)are in the room.
He________(know) my brother.
____________(he)pencil sharpener is in the pencil case.
___________(that)aren't oranges.
用括号里的词的适当形式填空
如果对的,
They________（be）my parents.
Some________(thing)are in the room.
He________(know) my brother.
____________(he)pencil sharpener is in the pencil case.
___________(that)aren't oranges.
用括号里的词的适当形式填空
如果对的,
问题解答：
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