问题描述:
There are some trees in front of our school.(改为单数形式)
________ _________ _______ tree in front of our school.
On the right of the classroom is an office.(对an office 提问)
________ _______ on the right of the classroom?
________ _________ _______ tree in front of our school.
On the right of the classroom is an office.(对an office 提问)
________ _______ on the right of the classroom?
问题解答:
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